mb/google/brya: Add Kconfig for SLP_S0_GATE
Nissa doesn't have a SLP_S0_GATE signal, so we shouldn't generate the
related ACPI code. Therefore, move this behind a Kconfig which is
currently selected by the brya and brask baseboards.
BUG=b:
197479026
TEST=Build brya0, check that there's no change to the generated dsdt.asl
Change-Id: I5a73c6794f6d3977cbff47aeff571154e41944cc
Signed-off-by: Reka Norman <rekanorman@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61347
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>