MT8188 SPI tick delay setting is moved to `spi_cmd_reg` register which
is different from previous SoCs, so we define a macro to get the
designated register.
TEST=build pass.
BUG=b:233720142
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Change-Id: Ia30e94a8688c0e1c1d4b3d15206f28e5bd8c9bd4
Reviewed-on: https://review.coreboot.org/c/coreboot/+/66184
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
00324b20e1