Fix model01

keyboards/model01/model01.c

@@ -25,3 +25,11 @@ void matrix_init_kb(void) {
 
 void matrix_scan_kb(void) {
 }
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {
+}
+
+__attribute__ ((weak))
+void matrix_init_user(void) {
+}