target: msm8994: hdmi display init for hdmi primary
target: msm8994: hdmi display init for hdmi primary

In case hdmi has been selected as primary display, initialize hdmi
display by powering on HDMI tx core.

Change-Id: I135ff2704b43e5300a8a2bf61dea4e8b0e1949fe

Foxda-Tech/polaris-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk,Foxda-Tech/polaris-bootable-bootloader-lk