BUTTERFLY-FIRMWARE: x86: Add optimized memcpy implementation

This patch adds coreboot's speed optimized memcpy()
to u-boot on x86.

BUG=chrome-os-partner:12896
TEST=manual, verified basic firmware functions.
BRANCH=butterfly
Signed-off-by: Stefan Reinauer <reinauer@chromium.org>

Change-Id: Id874e57499f2073821401643d9624f04cc92caef
Original-Change-Id: I5ce04a1330711bcff25726bfbfdcecb193be9a29
Reviewed-on: https://gerrit.chromium.org/gerrit/35770
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
Commit-Ready: Shawn Nematbakhsh <shawnn@google.com>
Reviewed-by: Shawn Nematbakhsh <shawnn@google.com>
Tested-by: Shawn Nematbakhsh <shawnn@google.com>
2 files changed