fix derp
msm7x27a-common: Add support for mounting usb disks

Change-Id: I30c3023ea57c179b339428145253b46d44331276
msm7x27a-common: ignore persist-lg and mpt partitions in recovery

Change-Id: Ib2d143315d98453753796d66bf05364ba973993f

Conflicts:
	msm7x27a-common.mk