Update alsa-plugins to 1.2.5

Changelog:

• pcm_a52: Don't move bytes within the outbuf
• pcm_a52: Don't pass EAGAIN errors from the slave to the caller
• pcm_a52: Determine virtual hardware pointer upon slave pointer
• upmix: complete generalizing format
• jack: add option to allow non-jack-aligned period size
• oss: fix the config (port -> device)
• pulse: pcm - handle reading pulse stream hole
• usb_stream: use snd_config_get_card() to decode the card number

Depends on D12037

Rebooted and checked all sound output still worked