intel/compiler: Put back saturate on [iu]add_sat opcodes
I deleted one too many inst->saturate = ... lines. This one must stay.
Fixes: b7c47c4f ("intel/compiler: Drop nir_lower_to_source_mods() and related handling.")
I deleted one too many inst->saturate = ... lines. This one must stay.
Fixes: b7c47c4f ("intel/compiler: Drop nir_lower_to_source_mods() and related handling.")