arch/x86: Add memmove.c to x86 bootblock
This was specifically needed for vboot with psp_verstage, but adding
it to always be built into bootblock if needed like memcpy & memset
makes sense.
TEST=Build & boot trembyle
BUG=None
Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: Ib724aaf1492edf053a593b42107684b7bf896592
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42823
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>