Add control for the 1.2V enable pin in VCM to comply the mipi camera
power sequence.
2.8V enable --> 1.2V enable --> reset
BUG=b:362386165
TEST=Run ITS test
Change-Id: I495b2e266ee3d24ed3334bb9c173b3993d095e8e
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84211
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <ericllai@google.com>