MPU Hal (#1492)

* Furi HAL: memory protection unit
* Core: prohibit NULL dereferencing, even for reads.
* Applications: fix NULL dereference
* Core: stack protection by MPU
* MPU: stack region alignment
* Apps: fix null pointer dereferences
* Threads: fix non-null arg check
* Desktop settings: fix null pointer dereference
* Core: documented null-check hack
* Fix null dereference issues
* Apps: args check
* Core: naming fixes
* format code
* Core: remove NONNULL specifier
* FurHal: move MPU initialization to begining, fix enum naming

Co-authored-by: あく <alleteam@gmail.com>

applications/bt/bt_service/bt.c

@@ -347,7 +347,8 @@ static void bt_close_connection(Bt* bt) {
     furi_event_flag_set(bt->api_event, BT_API_UNLOCK_EVENT);
 }
 
-int32_t bt_srv() {
+int32_t bt_srv(void* p) {
+    UNUSED(p);
     Bt* bt = bt_alloc();
 
     if(furi_hal_rtc_get_boot_mode() != FuriHalRtcBootModeNormal) {