m7-common: use new common kernel

* CodeAurora kk_2.7_rb1.21 based kernel

Change-Id: Ia7367daf459ca67de1dcf9b2ba64842ba9ee6758
m7-common: snd_soc_msm: Update PCM IDs for new kernel

* Set low latency and compressed PCM to correct values

Change-Id: I05deb58562e8da0286b81bf3994d8268deb7b56b
m7-common: Update SCO channel and rate

* New kernel changes INTERNAL_BT_SCO to SLIM_1

Change-Id: I1bb5fe15ee02d00cfddd968abb28a3c1c377cabe
m7-common: Update post-boot script for new power modes

Change-Id: Ibb8ddf900caabd1d8ab79df877ebe0fb0966c5a5
m7-common: code cleanup

Removed some tabs, and changed 5 spaces to 4

Change-Id: I18802534269c80c2e4a9fde28b4dd5509c9f05fb
m7-common: ignore firmware partitions in recovery

This removes /firmware/mdm and /firmware/q6 from the listed partitions
in the Mounts and Storage menu.

Change-Id: I7154018b6238d6e17bdabb02ce9b4e4225595b15
m7: Fix remote submix sample rate

 * Avoid mismatch between source and sink.

Change-Id: I1ec9b7a723e21ccad7bbd8d23d794d099d8afc38
m7-common: Remove HCE

Change-Id: I81151a7073db5d4fdb799c4414ae0b1d39886ec8