Lowercasify: LGL22 to lgl22

Change-Id: Ic30da247bd189903a61ba555f6c62779290d0d97
Clean up
TARGET_RECOVERY_FSTAB is overriden in device/lge/g2-common/BoardConfigCommon.mk

Change-Id: I9e9b62a88503d294e253979661a772dbaa487d04