apq8084: Put MMC to sleep before starting kernel
apq8084: Put MMC to sleep before starting kernel

Change mmc to sleep state prior to start of the Linux
kernel.  This ensures a consistent mmc controller
state for kernel bootup.

Change-Id: If9f057aa6772df5eea34ece3014c9ce29c667b6a

efidroid/lk,CanarySolutions/little-kernel,M1cha/lktris,Foxda-Tech/polaris-bootable-bootloader-lk,Foxda-Tech/argo8-bootable-bootloader-lk,CanarySolutions/little-kernel,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/android_bootable_bootloader_lk,jsr-d10/android_bootable_bootloader_lk,M1cha/android_bootable_bootloader_lk,efidroid/lk,jsr-d10/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,M1cha/lktris,detule/lk-g2-spr,CanarySolutions/little-kernel,M1cha/lktris,M1cha/lktris,M1cha/android_bootable_bootloader_lk,CanarySolutions/little-kernel,detule/lk-g2-spr,Foxda-Tech/polaris-bootable-bootloader-lk,jsr-d10/android_bootable_bootloader_lk,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/android_bootable_bootloader_lk,detule/lk-g2-spr,jsr-d10/android_bootable_bootloader_lk,Foxda-Tech/polaris-bootable-bootloader-lk,jsr-d10/android_bootable_bootloader_lk,efidroid/lk,M1cha/android_bootable_bootloader_lk,Foxda-Tech/argo8-bootable-bootloader-lk,M1cha/lktris,detule/lk-g2-spr,Foxda-Tech/argo8-bootable-bootloader-lk,efidroid/lk,detule/lk-g2-spr,Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,M1cha/android_bootable_bootloader_lk,efidroid/lk