pvr: Move descriptor write into pvr_write_descriptor_set()

Moving descriptor write functionality from
pvr_UpdateDescriptorSets() into pvr_write_descriptor_set().

This is in preparation for adding descriptor copy support.

Signed-off-by: Karmjit Mahil <Karmjit.Mahil@imgtec.com>
Reviewed-by: Frank Binns <frank.binns@imgtec.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21332>
1 file changed