mb/google/hatch: Make puff and variants share common mainboard.c

Here we consolidate some of the mainboard.c duplication between
Puff and it's variants.

Customizations can be done later via introducing a devicetree
parameterisation.

BUG=b:154071868
BRANCH=none
TEST=none

Change-Id: I75c2de7ae8efd544d800bc77e34e667c3afa4b01
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42672
Reviewed-by: Sam McNally <sammc@google.com>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions