msm: sensor: actuator: fix out of bound read for bivcm region params

The region index for bivcm is not validated against the region size.
This causes out-of-bound read on the KASAN kernel.
Add restriction that region index smaller than region size.

CRs-Fixed: 2379514
Change-Id: I72c4a41a4b41c8fa70c174ffd3215a81eaa14355
Signed-off-by: Haibin Liu <haibinl@codeaurora.org>