FL-339: cli diagnostic interface for power subsystem. (#256)

* Core, API: add externs for c++
* Makefile: improve debug speed, flash with openocd, cleanup f2 config
* Power: add cli diagnostic.
* Local: fix api hal externs
* Local: fix externs in main and flipper_hal
* F2: power state dump stabs
* Bootloader flashing with openocd
* F3: move bq drivers to libs
* temporary do not build drivers on local
* temporary do not build drivers on f2

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

core/app.cpp

@@ -1,8 +1,8 @@
 #include <stdio.h>
-
-extern "C" {
 #include "flipper.h"
 #include "flipper_v2.h"
+
+extern "C" {
 #include "log.h"
 #include "applications.h"
 #include "tty_uart.h"

core/flipper.h

@@ -1,23 +1,24 @@
 #pragma once
 
+#include "api-hal.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include "main.h"
-#include "api-hal.h"
 #include "cmsis_os.h"
 #include "furi-deprecated.h"
 
 #include "log.h"
 #include "input/input.h"
 
-#ifdef __cplusplus
-}
-#endif
-
 #include <stdio.h>
 
 void set_exitcode(uint32_t _exitcode);
 
 #define FURI_LIB (const char*[])
+
+#ifdef __cplusplus
+}
+#endif