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