jf-common: Tweak mms overlay

According to forum reports, this fixes mms support for AT&T and
preserves the proper aspect ratio of portrait images

Change-Id: Ida63d311c2fb335df099476d2269ab23b08c85d4
mcpu=cortex-a15...not a9
ramdisk fixups
init.rc
more ramdisk stuff, dupes in qcom-common