etnaviv: Add VIP_V7 and NN_XYDP0 feature bits from hwdb and use them to fix NN v8 post-multiplier
What does this MR do and why?
Add VIP_V7
and NN_XYDP0
feature bits and use them to determine the NN core architecture version, which is stored in specs.
Use the architecture version to set the extended NN post-multiplier correctly.