This patch adds a function to overwrite PL2 setting based on CPU
sku. From doc #594883, PL2 is 18W for AML-Y.
BUG=b:110890675
BRANCH=None
TEST=emerge-nocturne coreboot chromeos-bootimage & test with AML-Y
and KBL-Y skus.
Change-Id: Idfdc0c2434fdef56a7c25df05e640837a5096973
Signed-off-by: Nick Vaccaro <nvaccaro@google.com>
Reviewed-on: https://review.coreboot.org/27997
Reviewed-by: Caveh Jalali <caveh@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>