As we don't use the MIPI camera on Rammus, disable SA Imaging Unit and
CIO2 devices to avoid the system failed to enter S0ix.
BUG=b:114502527
BRANCH=master
TEST=On DUT, echo freeze > /sys/power/state
1. check the S0ix status on EC console
2. check the value of /sys/kernel/debug/pmc_core/slp_s0_residency_usec
Change-Id: I91629732db01ee534f0ddb67a2b358d725ef810e
Signed-off-by: Zhuohao Lee <zhuohao@chromium.org>
Reviewed-on: https://review.coreboot.org/28543
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>