Remove unused include path.

This path doesn't exists in the repo so this patch removes it from the
Makefile:
  firmware/arch/${FIRMWARE_ARCH}/include

BUG=None
BRANCH=None
TEST=./emerge_test

Change-Id: I8b5461ee0ddfa0aa8d31bc6d2b981912a9ccde58
Reviewed-on: https://chromium-review.googlesource.com/214392
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
1 file changed