tree-wide: replace MAYBE_UNUSED with ASSERTED

Suggested-by: Jason Ekstrand <jason@jlekstrand.net>
Signed-off-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

src/intel/compiler/brw_vec4_nir.cpp

@@ -1032,7 +1032,7 @@ vec4_visitor::emit_conversion_to_double(dst_reg dst, src_reg src,
 static int
 try_immediate_source(const nir_alu_instr *instr, src_reg *op,
                      bool try_src0_also,
-                     MAYBE_UNUSED const gen_device_info *devinfo)
+                     ASSERTED const gen_device_info *devinfo)
 {
    unsigned idx;