Another one workaround about soft_power_off function, same as in unstable branch

src/open9x.cpp

@@ -2626,6 +2626,7 @@ int main(void)
 
 #if defined(PCBARM) || defined(PCBV4)
   //never return from main() - there is no code to return back, if any daelays occurs in physical power it does dead loop.
+  wdt_disable();
   for(;;){}
 #endif