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/f2/api-hal/api-hal-bt.c

@@ -0,0 +1,12 @@
+#include <api-hal-bt.h>
+
+void api_hal_bt_init() {
+}
+
+void api_hal_bt_dump_state(string_t buffer) {
+    string_cat_printf(buffer, "BLE unsupported");
+}
+
+bool api_hal_bt_is_alive() {
+    return false;
+}