Release v1.2.5.1

Core
 - Release v1.2.5.1
ALSA Control (alsactl)
 - utils.c: Include limits.h explicitly to fix build on musl
 - alsactl: load_state: Only delete config if one was loaded
 - alsactl: load_state() - initialize config variable for the open_failed case
 - alsactl: fix lock_fd unlock in load_configuration() - error path
 - alsactl: state - fix ‘item’ may be used uninitialized gcc warning
 - alsactl: check for error values from snd_config_get...()
 - alsactl: init() - return error value from snd_card_iterator_sinit() call
 - alsactl: return error value in dump_config_tree()
 - alsactl: fix the nested iteration
Audio Transfer utility
 - axfer: fix wrong calloc() item size in allocate_containers()
alsatplg (topology)
 - topology: fix few coverity detected defects
 - topology: fix potential null pointer from strchr
aplay/arecord
 - arecord: Inform users when 8-bit sampling is used on tty
 - Revert "aplay: try to use 16-bit format to increase capture quality"
aseqnet
 - added an option to aseqnet to optionally set the midi process name

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