adapted to new isa callback

ir/be/arm/bearch_arm.c

@@ -1094,6 +1094,13 @@ static const be_machine_t *arm_get_machine(const void *self) {
 	return NULL;
 }
 
+/**
+ * Return irp irgs in the desired order.
+ */
+static ir_graph **arm_get_irg_list(const void *self, ir_graph **irg_list) {
+	return NULL;
+}
+
 /**
  * Returns the libFirm configuration parameter for this backend.
  */
@@ -1157,6 +1164,7 @@ const arch_isa_if_t arm_isa_if = {
 	arm_get_libfirm_params,
 	arm_get_allowed_execution_units,
 	arm_get_machine,
+	arm_get_irg_list,
 };
 
 void be_init_arch_arm(void)