target: msm8610: Add shutdown_device support
target: msm8610: Add shutdown_device support

Configure PMIC and drop PS_HOLD for device shutdown.

Change-Id: Ic5092def184665120d98b05b77c33f1bb2302e7d

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