Revert "intel/brw: Don't consider UNIFORM_PULL_CONSTANT_LOAD a send-from-GRF"
What does this MR do and why?
Revert "intel/brw: Don't consider UNIFORM_PULL_CONSTANT_LOAD a send-from-GRF"
This reverts commit 5814534de57444475cc3e20c88c4110e7629d9de. It
apparently caused GPU hangs in Assassin's Creed: Valhalla, and it isn't
that critical of a patch, so let's just roll it back for now.
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/10894