Add missing pin defaults for v0.3 board

speeduino/init.ino

@@ -1301,6 +1301,8 @@ void setPinMapping(byte boardID)
       pinLaunch = 51; //Can be overwritten below
       pinFlex = 2; // Flex sensor (Must be external interrupt enabled)
       pinResetControl = 50; //Reset control output
+      pinBaro = A5;
+      pinVSS = 20;
 
       #if defined(CORE_TEENSY35)
         pinTrigger = 23;