target: apq8084: Support fastboot panel override for APQ8084
target: apq8084: Support fastboot panel override for APQ8084

Allow user to select the different panel through fastboot
oem command for APQ8084 target. If target does not find
the panel selected by user, it will bootup with default
panel configured for respective platform type.

CRs-Fixed: 620209
Change-Id: Ib3d26380f702bf4a4ca2b9eaa4cef5e5c648e095

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