Revert "Revert "Added install check/format for sdcard sanity""

This reverts commit 7f6c9bef5aaf164f6a8e812ddfc1eb4ff5a6ce65.

Conflicts:
	p990.mk
Revert "Revert "Added lgdrm.img""

This reverts commit 92e4d4fbd9255e74cb895a25aa7cb3f56e4acd93.

Conflicts:
	p990.mk
reorg
mount /lgdrm, use prebuilt kk exp126 kernel

This reverts commit 7f4872be389d4d08112bc5758158439f46174d9a.

Conflicts:
	BoardConfig.mk
	p990.mk
	rootdir/fstab.p990