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/nfc/nfc.c

@@ -238,7 +238,7 @@ int32_t nfc_app(void* p) {
     char* args = p;
 
     // Check argument and run corresponding scene
-    if((*args != '\0')) {
+    if(args && strlen(args)) {
         nfc_device_set_loading_callback(nfc->dev, nfc_show_loading_popup, nfc);
         uint32_t rpc_ctx = 0;
         if(sscanf(p, "RPC %lX", &rpc_ctx) == 1) {