use simulated telem mode if bus 3 isn't present.

cubesatsim/cubesatsim.ino

@@ -102,14 +102,18 @@ void setup() {
 	
   read_reset_count();	
 	
+/*	
   sim_mode = FALSE;
   if (sim_mode)
     config_simulated_telem();
   else
     ; // configure ina219s
-    	  
+*/    	  
   start_ina219();
 	
+  if (i2c_bus3 == false) {
+    configure_simulated_telem();	  
+    
   config_telem();	
 	
 // setup radio depending on mode