implement fbd_dev_sound_stop

tracks the FdbFeedbackSounds in a GHashTable in the FdbDevSound
8 jobs for master in 8 minutes and 53 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #325227
librem5
build:native-debian-bullseye

00:01:11

passed #325225
librem5
build:native-debian-buster:full

00:01:11

passed #325226
librem5
build:native-debian-buster:lib

00:01:07

 
  Test
passed #325228
librem5
test:native-debian-bullseye

00:00:47

59.0%
 
  Package
passed #325229
librem5
package:deb-debian-buster

00:01:25

passed #325230
librem5:arm64
package:deb-debian-buster:arm64

00:05:22

 
  Test Package
passed #325231
librem5
autopkgtest-debian-buster-package

00:01:31

passed #325232
librem5
lintian-debian-buster-package

00:01:17