mb/amd/birman: Use common option for variant configuration

When a variant setup is used, checking for each variant in order to do
the mainboard configuration is quite painful. Thus, move the selects
from BOARD_SPECIFIC_OPTIONS, which is enabled by default when a variant
is chosen, out to a common option, which is disabled by default but
selected by the variants.

So in order to enter that config block, it's only needed to check if
that common option is enabled and not for each variant. It's also a very
common scheme now.

Change-Id: I4ed889ce78a0d7cd088e05d0f4b7fbbc89153860
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78975
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>

0 files changed, 0 insertions, 0 deletions