Enable arch arm high compiler optimization
general clean up

Change-Id: If3ff32a3974368d9ea2756d3d9a22d4713e704fa
jf-common: proprietary-files.txt whitespace fix

Resolves missing \ before last blob in <device>-vendor-blobs.mk

Change-Id: I19fe178083df2d4a949f05e42ddc05bb90e009da