Revert "remove DONT_MAP_HOLE_IN_LOWMEM config"

This reverts commit ae1fdc0bc3ef1a91e7ac8ba95d87889249507866.
Revert "[moto]: re-implement power key reset changes"

This reverts commit bda1af7cc8c4142a414a961e837620559775d135.
Revert "Revert "[moto] drivers/input changes: PM_DEEPSLEEP / keyreset""

This reverts commit eb43a3b6698ddea43c08ca8a9052b4e4c15d6e43.
defconfig: remove EXT2/3_FS_SECURITY