TF700T: Move performance profiles overlay

http://review.cyanogenmod.org/#/c/51776/

Patchset 2: Fix comments
Patchset 3: Rebased

Change-Id: Id57ebc186d87bf67d2e06ade78b0d7c6d6df4382
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Merge branch 'cm' into HEAD