add mgos_gpio_set_{pull,mode}() mocks

src/mgos_mock.c

@@ -117,3 +117,19 @@ void mgos_gpio_clear_int(int pin) {
 
   (void)pin;
 }
+
+bool mgos_gpio_set_mode(int pin, enum mgos_gpio_mode mode) {
+  LOG(LL_INFO, ("Not implemented."));
+  return true;
+
+  (void)pin;
+  (void)mode;
+}
+
+bool mgos_gpio_set_pull(int pin, enum mgos_gpio_pull_type pull) {
+  LOG(LL_INFO, ("Not implemented."));
+  return true;
+
+  (void)pin;
+  (void)pull;
+}