Use an additional Realtek NIC MAC programming sequence recently
added to drivers/net/r8168.c.
BUG=https://ticket.coreboot.org/issues/579
TEST=Specified MAC address now recognized and retained by Linux r8169
driver without further work.
Change-Id: Ia1409874920b2e598e8b8b3c186fc46bd0cef296
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87437
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
