This enables adding ACPI objects at run-time for SD Card and EMMC
devices.
BUG=b:150872580
TEST=Build and boot the mainboard. Observe ACPI objects like card detect
gpio are added to the SSDT.
Change-Id: I754aee3b0fd343994bd06d9c28e038f651009d6d
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40420
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>