Squashed lgdrm/sdcard commit for the newbl

Added install checks/format for sdcard sanity

Change-Id: I177e82f9c6ceda5a318124b979d83316c1d532a2

Updated install step to flash lgdrm is absent

Change-Id: I8fd2b6c998e24b0c4b9e9e0617e95c2a669f35a2

Signed-off-by: tonyp <tonyptonyp@gmail.com>