add ir_bk_compare_swap to irio enum

ir/ir/irio.c

@@ -253,6 +253,7 @@ static void symtbl_init(void)
 	INSERTENUM(tt_builtin_kind, ir_bk_outport);
 	INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline);
 	INSERTENUM(tt_builtin_kind, ir_bk_saturating_increment);
+	INSERTENUM(tt_builtin_kind, ir_bk_compare_swap);
 
 	INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
 	INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);