lima: use nir_lower_viewport_transform
Previously lima added this transform in driver ir, now as panfrost driver share this transform in nir, use it now.
V2: lower vector sysval to scaler in lima nir to gpir conversion.
Previously lima added this transform in driver ir, now as panfrost driver share this transform in nir, use it now.
V2: lower vector sysval to scaler in lima nir to gpir conversion.