mb/google/mancomb: Add mancomb APCBs into build
This adds the Mancomb APCBs into the AMD firmware binary.
BUG=b:
182211161
TEST=Build and check log showing APCB sources present.
Signed-off-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Change-Id: Ifdf1e813fce6f93378c2495cf76bdace81d87c16
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52600
Reviewed-by: Mathew King <mathewk@chromium.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>