platform: msm8994: Call scm init during plat early init
platform: msm8994: Call scm init during plat early init

perform scm specific initialization during platform early
init.

CRs-Fixed: 636147
Change-Id: Ieafae09c4d13b3daa3d5c63f0afa9aeaef03c851

Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,efidroid/lk,Foxda-Tech/polaris-bootable-bootloader-lk,efidroid/lk,CanarySolutions/little-kernel,Foxda-Tech/polaris-bootable-bootloader-lk,CanarySolutions/little-kernel,efidroid/lk,efidroid/lk,efidroid/lk