intel/disasm: Label support in shader disassembly for UIP/JIP

intel/disasm: Label support in shader disassembly for UIP/JIP

Shader instructions which use UIP/JIP now get formatted with a label
in addition with immediate value, labels have "LABEL%d" format.

v2: - Consider brw_jump_scale when calculating label's offset

From: "Lonnberg, Toni" <toni.lonnberg@intel.com>
Signed-off-by: Danylo Piliaiev <danylo.piliaiev@globallogic.com>
Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4245>