Release v1.2.7

Core
 - Release v1.2.7
 - configure: remove --with-lfs option, but keep the autodetection code
 - configure: add --with-lfs option
 - gitcompile: fix 32 bit compilation support
 - remove .travis.yml (using github actions)
 - github actions: move to checkout@v3
 - conf: fix the export of safe_strto* functions from libasound
Config API
 - ucm: add ${evali:} substitution
Control API
 - control: eld - add missing ctype.h header inclusion
 - control: shm - initialize write buffer
 - control: decode HDMI device name from ELD
PCM API
 - pcm: hw: change rate range syntax
 - pcm: hw: add "min_rate" and "max_rate" as alternatives to single "rate" parameter
 - pcm: rate - rewrite the may_wait_for_avail_min callback for the rate plugin
 - pcm: plugin - fix avail_min calculation on rate plugin
 - pcm: dmix: fix wrong scaling in 32bits pcm mixing
 - pcm: ladspa - Use LFS calls (readdir64)
 - pcm: fix for the unitialized write buffer
 - control: decode HDMI device name from ELD
 - pcm: multi: return correct hwptr and avail from snd_pcm_multi_status()
 - pcm: direct - allow 'off' string for hw_ptr_alignment
 - pcm: direct - cleanups for snd_pcm_direct_reset_slave_ptr()
 - pcm: direct - add support for channel bindings in snd_pcm_direct_query_chmaps()
 - pcm: direct: Check xrun/suspend before the slave hwptr update
 - pcm: direct: Move slave PCM state checks into XRUN check helper
 - pcm: direct: Improved suspend/resume support
 - pcm: direct: Propagate error code from snd_pcm_direct_client_chk_xrun()
 - pcm: rate: fix drain of partial period at end of buffer
Topology API
 - src/topology/parser.c: drop duplicate safe_strtol_base
Use Case Manager API
 - ucm: fix the reload call (snd_use_case_mgr_reload)
 - ucm: implement disdevall sequence command
 - use-case.h: add Channels/ChannelPos values to the documentation
 - ucm: fix memory leak in the error path (Include)
 - ucm: Use LFS calls (stat, scandir)
 - ucm: main - fix the compilation error (signess)
 - ucm: macro - make argument names shorter
 - ucm: doc - describe variants, minor corrections
 - ucm: implement enadev2 and disdev2 sequence commands
 - ucm: add support for verb variants
 - ucm: set SYNTAX_VERSION_MAX to 6
 - ucm: move macros and evali substitution to Syntax 6
 - ucm: macro - add deep call protection (recursion)
 - ucm: macro call inplace evaluate inside macro
 - ucm: macro - fix the error message, print id
 - ucm: return empty string for undefined "open" variables (arguments)
 - ucm: allow '-' prefix to avoid errors when the variable is not defined
 - ucm: allow passing variables through ucm open string
 - use-case.h: add SND_USE_CASE_DEV_DIRECT define
 - ucm: implement MacroDefine and Macro subtree evaluation
 - ucm: local_config may be NULL (error path)
 - ucm: add ${evali:} substitution
 - ucm: fix the '${eval:EXPR}' substitution
 - ucm: top-level path - set directory from symlink
ALSA Server
 - pcm: fix for the unitialized write buffer
Configuration
 - conf: Use LFS calls when reading config files
 - conf: vc4-hdmi: use a proper hdmi pcm, fix broken default pcm
 - conf: fix memory leak in snd_config_substitute() for strings
 - conf: snd_config_merge - fix comment (overwrite / override)
 - conf: fix the export of safe_strto* functions from libasound
Documentation
 - README: Add link to GitHub Actions
Simple Abstraction Mixer Modules
 - mixer: simple module: python 3.10 PyTuple_SET_ITEM() fix

Signed-off-by: Jaroslav Kysela <perex@perex.cz>