spirv: Handle the new OpModuleProcessed instruction

Reviewed-by: Samuel Iglesias Gonsálvez <siglesias@igalia.com>

src/compiler/spirv/spirv_to_nir.c

@@ -3190,6 +3190,7 @@ vtn_handle_preamble_instruction(struct vtn_builder *b, SpvOp opcode,
    case SpvOpSourceExtension:
    case SpvOpSourceContinued:
    case SpvOpExtension:
+   case SpvOpModuleProcessed:
       /* Unhandled, but these are for debug so that's ok. */
       break;