Fix ESP and HCI build

Author: tannewt

devices/ble_hci/common-hal/_bleio/__init__.c

@@ -57,6 +57,11 @@ bool vm_used_ble;
 //     }
 // }
 
+void bleio_user_reset() {
+    // HCI doesn't support the BLE workflow so just do a full reset.
+    bleio_reset();
+}
+
 // Turn off BLE on a reset or reload.
 void bleio_reset() {
     // Create a UUID object for all CCCD's.

ports/espressif/common-hal/_bleio/Adapter.c

@@ -574,6 +574,9 @@ void common_hal_bleio_adapter_start_advertising(bleio_adapter_obj_t *self, bool
 }
 
 void common_hal_bleio_adapter_stop_advertising(bleio_adapter_obj_t *self) {
+    if (!common_hal_bleio_adapter_get_advertising(self)) {
+        return;
+    }
     int err_code = ble_gap_ext_adv_stop(0);
     self->user_advertising = false;