some fixes for "apanic_mmc" from Moto G kernel.
src: https://github.com/MotorolaMobilityLLC/kernel-msm/commit/1b73f060715a91cfd3674b9fe0c07231a6727595
src: https://github.com/MotorolaMobilityLLC/kernel-msm/commit/876dc5b99e20ceea6d35554ba89a81a9afcf951b