platform-drivers-x86 for 4.4-2

Support for the unfortunately rather unique ESC key on the Ideapad Yoga 3 and
two DMI matches for rfkill support. Solitary fix for potential missed errors for
asus-wmi. Downgrade a thinkpad_acpi message to info.

asus-wmi:
 - fix error handling in store_sys_wmi()

ideapad-laptop:
 - Add Lenovo Yoga 900 to no_hw_rfkill dmi list
 - include Yoga 3 1170 in add rfkill whitelist
 - add support for Yoga 3 ESC key

thinkpad_acpi:
 - Don't yell on unsupported brightness interfaces
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