Revert "mcde: Remove underflow"

This reverts commit d5202f35360f1b72856e5655185c03a2cb0e3554.
Revert "GT-I9070_EUR_JB_Opensource_Update1"

This reverts commit d10f33a6a0086abbfdcedcffbcc30a107b776b22.
LiveOPP: Memory barrier

Signed-off-by: cocafe <cocafehj@gmail.com>
mm/madvise: Update from LK 3.0.101
LiveOPP: Adjust voltage selection

Signed-off-by: cocafe <cocafehj@gmail.com>