[FL-2677] SubGhz: region provisioning (#1574)

* FuriHal: region HAL draft
* FuriHal,SubGhz: complete region provisioning.
* Rpc: fix null pointer dereference.
* Cli: device info formatting
* FuriHal: region provisioning fixes and documentation.

firmware/targets/furi_hal_include/furi_hal.h

@@ -18,6 +18,7 @@ template <unsigned int N> struct STOP_EXTERNING_ME {};
 #include "furi_hal_sd.h"
 #include "furi_hal_i2c.h"
 #include "furi_hal_resources.h"
+#include "furi_hal_region.h"
 #include "furi_hal_rtc.h"
 #include "furi_hal_speaker.h"
 #include "furi_hal_gpio.h"