Run mtk_fsp_romstage.elf (MediaTek firmware support package for
romstage) in romstage to support power switch.
BUG=b:373797027
TEST=build pass, boot ok.
Load and run mtk_fsp with following logs:
[DEBUG] FMAP: area FW_MAIN_A found @ 402000 (1527552 bytes)
[INFO ] CBFS: Found 'fallback/mtk_fsp_romstage' @0xfc280 size 0x6bd in
mcache @0x00122518
[INFO ] VB2:vb2_digest_init() 1725 bytes, hash algo 2, HW acceleration
enabled
[INFO ] _start: MediaTek FSP_ROMSTAGE interface version: 1.0
[INFO ] mtk_fsp_load_and_run: run fallback/mtk_fsp_romstage at phase
0x30 done
Change-Id: Id223152e0bda71e99e72b34c91fea8f8841e824b
Signed-off-by: Jarried Lin <jarried.lin@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/86015
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
784e2fc10e