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/power/power_service/power.c

@@ -200,7 +200,7 @@ static void power_check_battery_level_change(Power* power) {
 }
 
 int32_t power_srv(void* p) {
-    (void)p;
+    UNUSED(p);
     Power* power = power_alloc();
     power_update_info(power);
     furi_record_create(RECORD_POWER, power);