soc/mediatek/mt8192: add spmfw binary

Support SPM suspend at the end of system suspend.

BUG=b:159079649
TEST=Asurada boots up to shell

Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Change-Id: I7dfa4a8a7ac585dcc8eb158d2db5a2a89436389d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/coreboot/blobs/+/2293817
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Tested-by: Hung-Te Lin <hungte@chromium.org>
Commit-Queue: Hung-Te Lin <hungte@chromium.org>
2 files changed