test optimized memcpy config on grouper

Change-Id: I749b57c640ee2ca4724119f41ee1d91ca4788703
add cflags for graphite & reduce touch slop

default touch slop is 12.  reduced to 10 to mirror changes
to fling/scrolling in F_B

Change-Id: I9dafaad6052dc43693d380f040bdc74939ed16c8

Conflicts:
	BoardConfigCommon.mk
remove this as it's now set globally via CPU variant flags

Change-Id: I3a3e3affcef6dca7b0265430f8def9ca0925936f
remove graphite experimental flags: not used

Change-Id: I2ea48da607925c6be8cf00454eb4e98795c24505
use neon MEMCPY for N7 boards

Change-Id: Idd0300c0d033da908723064fa3f08a9f772ce51a
Signed-off-by: DHO <DHO@dho.im>
N7: add TARGET_ARCH_VARIANT_CPU to match our armv7-a-neon.mk

previously added cflag improvements weren't accounted for in the original kang

Change-Id: I08dd0c4b67bc2074e7427d2b90af5ebdf8921509
remove arch variant type cflags from device tree to use ones defined in armv7-a-neon.mk

Change-Id: I23b0a3e3549c5c862939418a4c76f7b2bc06860d
Add back prebuilt kernel and Lean Kernel 1.5.4