v1.2.15

Release v1.2.15

Core
 - Release v1.2.15
 - configure: Allow systemd service installation without systemd.pc
 - github: coverity.yml - run at 4am on Sunday
 - github: add coverity.yml (coverity.com) workflow
 - github: CI: add awk package for Fedora to build.yml
ALSA Control (alsactl)
 - alsactl: fix error message arguments (remove card)
 - alsactl: fix error handling in check_control_cdev()
 - alsactl: ucm: restore controls for other cards in group
 - alsactl: move udev/systemd files to conf subdirectory
 - alsactl: update state file correctly when initialization failed
 - alsactl: fix state restore to handle dynamic user control elements
 - alsactl: add systemd service to handle deferred card initialization
 - alsactl: ucm: add wrestore command and wait_for_card() for boot synchronization
 - alsactl: add -Y option to export card states as key=value pairs
 - alsactl: ucm: implement boot parameters and card group sync infrastructure
 - alsactl: free scandir list in snd_card_clean_cfgdir
 - alsactl: add support for new log handler (alsa-lib 1.2.15)
 - alsactl: restore udev rules - fix HDA analog device check
ALSA RawMidi Utility (amidi)
 - amidi: Ignore inactive MIDI ports as default at listing
aconnect
 - aconnect: add support for new log handler (alsa-lib 1.2.15)
alsamixer
 - alsamixer: add support for new log handler (alsa-lib 1.2.15)
aplay/arecord
 - aplay: reorganize format handling in begin_wave()
 - Revert "aplay: fix S24_LE wav header"
 - alsactl: add support for new log handler (alsa-lib 1.2.15)
bat (basic audio tester)
 - bat: Fix buffer time configuration

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