BLE: F3 integration (#260)

* BLE: working version
* BLE: cleanup
* BLE: update device description and DIS.
* BLE: explicitly take semaphore and configure CLK48, bt subsystem status, remove LPM.
* HAL: add missing api_hal_bt_is_alive symbol
* TODO about valuemutex
* duplicate f3-1 (f4) ioc from f3
* regenerate project
* use target dir for ble glue path
* update f4 from f3

Co-authored-by: coreglitch <mail@s3f.ru>

firmware/targets/api-hal-include/api-hal-bt.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <m-string.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Initialize */
+void api_hal_bt_init();
+
+/* Get BT/BLE system component state */
+void api_hal_bt_dump_state(string_t buffer);
+
+/* Get BT/BLE system component state */
+bool api_hal_bt_is_alive();
+
+#ifdef __cplusplus
+}
+#endif