Update notes for submitted changes

* ASoC: msm: Fix wrong wait_event_timeout timeout checks
* ASoC: msm: Support independent left-right channel volume control
* ASoc: msm: update the pending buffer flags in underrun
* ASoC: msm: Fix for improper volume ramp up in tunnel playback
* ASoC: msm: skip sending volume in compressed pass through playback
* ASoC: msm: Allow drain only if a write was called
* ASoC: msm: Register restart api for under run issue.
* ASoC: compr: change sequence of softvol
* ASoC: msm: Modify min and max period bytes and num periods
* ASoc: msm: Fix for pcm_read getting struck in alsa core.
* ASoC: msm: flush if prior and current backends rate not matching
* asoc: msm: Add flexible period count to pcm record driver
* ASoC: msm: Decrease the playback period size of PCM driver
* msm-pcm-q6: Add support for flexible recording period size
* ASoc: msm: Increase default buffersize to 4k for audio playback