msm7x27a-common:  Add TARGET_CPU_VARIANT

Change-Id: I07aec551c247269c308f75f64b38cb049ea10c55
msm7x27a-common:libaudio: updates for mr2

Change-Id: Id3cd6c8c5b5f3b23122ab010ea0bf35ab4825a3c
msm7x27a-common: 4.3 sd mounts

Change-Id: Ica9d08c9211546115c8ebed8251eae99277dc586