bulk update of m7 changes from ethan chen (intervigil)
fix low latency device numbers for new entries
updates for boardconfig cleanup of kernel section needs kernel commits too
neon vfp4 optimizations
dlx: Set primary storage device

Change-Id: I4f9585ce64dd59c16849a018dd223c5d658da395
Fix USB-OTG support

Change-Id: Id281f1a9da8c3944e78f2cd7829c4cda7ca935e6