platform-drivers-x86 for v5.3-1

ASUS WMI driver got a big refactoring in order to support the TUF Gaming
laptops. Besides that, the regression with backlight being permanently off
on various EeePC laptops has been fixed.

Accelerometer on HP ProBook 450 G0 shows wrong measurements due to
X axis being inverted. This has been fixed.

Intel PMC core driver has been extended to be ACPI enumerated
if the DSDT provides device with _HID "INT33A1". This allows
to convert the driver to be pure platform and support new hardware
purely based on ACPI DSDT.

From now on the Intel Speed Select Technology is supported thru
a corresponding driver. This driver provides an access to the features
of the ISST, such as Performance Profile, Core Power, Base frequency and
Turbo Frequency.

Mellanox platform drivers has been refactored and now extended
to support more systems, including new coming ones.

The OLPC XO-1.75 platform is now supported.

CB4063 Beckhoff Automation board is using PMC clocks,
provided via pmc_atom driver, for ethernet controllers in a way
that they can't be managed by the clock driver. The quirk
has been extended to cover this case.

Touchscreen on Chuwi Hi10 Plus tablet has been enabled. Meanwhile
the information of Chuwi Hi10 Air has been fixed to cover more models
based on the same platform.

Xiaomi notebooks have WMI interface enabled. Thus, the driver to support it
has been provided. It required some extension of the generic WMI library,
which allows to propagate opaque context to the ->probe() of the
individual drivers.

This release includes debugfs clean up from Greg KH for several drivers
that drop return code check and make debugfs absence or failure non-fatal.

Miscellaneous fixes here and there, mostly for Acer WMI and
various Intel drivers.

The listed below commits are duplicated due to previously pushed fixes in v5.2 cycle:
- 1dd93f873d8e platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi
- 89ae3a073625 platform/x86: intel-vbtn: Report switch events when event wakes device
- fa882fc80dc8 platform/x86: mlx-platform: Fix parent device in i2c-mux-reg device registration
- 0bfcd24b39c2 platform/mellanox: mlxreg-hotplug: Add devm_free_irq call to remove flow

The following is an automated git shortlog grouped by driver:

acer-wmi:
 -  Mark expected switch fall-throughs
 -  no need to check return value of debugfs_create functions

asus-nb-wmi:
 -  Add microphone mute key code

asus-wmi:
 -  Use dev_get_drvdata()
 -  Do not disable keyboard backlight on unloading
 -  Switch fan boost mode
 -  Enhance detection of thermal data
 -  Organize code into sections
 -  Refactor error handling
 -  Support WMI event queue
 -  Refactor WMI event handling
 -  Improve DSTS WMI method ID detection
 -  Increase input buffer size of WMI methods
 -  Fix preserving keyboard backlight intensity on load
 -  Fix hwmon device cleanup
 -  no need to check return value of debugfs_create functions
 -  Only Tell EC the OS will handle display hotkeys from asus_nb_wmi

dell-laptop:
 -  no need to check return value of debugfs_create functions

hp_accel:
 -  Add support for HP ProBook 450 G0

ideapad-laptop:
 -  no need to check return value of debugfs_create functions

intel_int0002_vgpio:
 -  Get rid of custom ICPU() macro

intel_menlow:
 -  avoid null pointer deference error

intel_pmc:
 -  no need to check return value of debugfs_create functions

intel_pmc_core:
 -  Attach using APCI HID "INT33A1"
 -  transform Pkg C-state residency from TSC ticks into microseconds

intel_telemetry:
 -  no need to check return value of debugfs_create functions

intel-vbtn:
 -  Report switch events when event wakes device

ISST:
 -  Restore state on resume
 -  Add Intel Speed Select PUNIT MSR interface
 -  Add Intel Speed Select mailbox interface via MSRs
 -  Add Intel Speed Select mailbox interface via PCI
 -  Add Intel Speed Select mmio interface
 -  Add IOCTL to Translate Linux logical CPU to PUNIT CPU number
 -  Store per CPU information
 -  Add common API to register and handle ioctls
 -  Update ioctl-number.txt for Intel Speed Select interface
 -  A tool to validate Intel Speed Select commands
 -  Add .gitignore file

MAINTAINERS:
 -  Update for Intel Speed Select Technology

mlx-platform:
 -  Fix error handling in mlxplat_init()
 -  Add more reset cause attributes
 -  Modify DMI matching order
 -  Add regmap structure for the next generation systems
 -  Change API for i2c-mlxcpld driver activation
 -  Move regmap initialization before all drivers activation
 -  Fix parent device in i2c-mux-reg device registration
 -  Add new attribute for mlxreg-io sysfs interfaces

pcengines-apuv2:
 -  Make two symbols static
 -  Fix PCENGINES_APU2 Kconfig warning

OLPC:
 -  Add a config menu category for XO 1.75
 -  Require CONFIG_POWER_SUPPLY for XO-1.75 EC
 -  Fix olpc_xo175_ec_cmd() return value
 -  Make olpc_dt_compatible_match() static __init
 -  Add INPUT dependencies
 -  Fix build error without CONFIG_SPI
 -  Add a regulator for the DCON
 -  Add XO-1.75 EC driver
 -  Use BIT() and GENMASK() for event masks
 -  Avoid a warning if the EC didn't register yet
 -  Move EC-specific functionality out from x86
 -  Remove an unused include
 -  Add OLPC XO-1.75 EC bindings

platform/mellanox:
 -  mlxreg-hotplug: Add devm_free_irq call to remove flow

pmc_atom:
 -  Add CB4063 Beckhoff Automation board to critclk_systems DMI table
 -  no need to check return value of debugfs_create functions

Kconfig:
 - Remove left-over BACKLIGHT_LCD_SUPPORT

samsung-laptop:
 -  no need to check return value of debugfs_create functions

touchscreen_dmi:
 -  Update Hi10 Air filter
 -  Add info for the CHUWI Hi10 Plus tablet.

wmi:
 -  add Xiaomi WMI key driver
 -  add context argument to the probe function
 -  add context pointer field to struct wmi_device_id
 -  Add function to get _UID of WMI device
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