soc/amd/common: Move missing APCB warning to common area

Move missing APCB warning from birman to amd/common so that other
mainboards can utilize the same warnings if the APCB is missing.

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I7ae689726ae4f7ccdf6959e47cbb5aee15cdb690
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73002
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

0 files changed, 0 insertions, 0 deletions