bcl: Increase SMPL_WARN to 3.1V

To mitigate Synthetic load in brownout test, we need to increase
UVLO1 to 3.2V, UVLO2 to 3.0V, and SMPL_WARN to 3.1V.

Bug: 200943374
Test: Local Test
Signed-off-by: George Lee <geolee@google.com>
Change-Id: I182d55f3a898d6e9adc8d86747ae62541a1c8fab
1 file changed