mm-video: venc: restrict codec level based on target specific macro

Without this change, call for supported codec levels for
different codec profile returned same for different chipset.

The change will now return different codec levels supported
for different chipset.This change will fix CTS case.

Change-Id: I2da19265b5b9360aae363b2b43fe83b8f007fc96
CRs-Fixed: 572716