Make freeze less aggresive (#1162)

So that it does not stop watchdog timer from working on BL602.
Maybe RunFrame disables interrupts somewhere?

src/driver/drv_freeze.c

@@ -7,10 +7,8 @@ void Freeze_OnEverySecond() {
 	}
 }
 void Freeze_RunFrame() {
-	while (1) {
-		// freeze
-	}
+	//don't freeze, seems this does not allow watchdog reset to work on BL602
 }
 void Freeze_Init() {
 	// don't freeze
-}
+}