AArch64: Add memcmp.S for Arm64.

This patch adds a copy of bionic's memcmp.S to ART. A later patch
modifies this to memcmp16_arm64.S.

Change-Id: I18ddd43ea05a9828a741617fd2a87d2fa9a04449
Signed-off-by: Serban Constantinescu <serban.constantinescu@arm.com>
1 file changed