Allow minitouch more time to start. The number of retries had already been set to 7 earlier, but got mistakenly changed to 5 during refactoring.

lib/units/device/plugins/touch/index.js

@@ -277,7 +277,7 @@ module.exports = syrup.serial()
       log.info('Connecting to minitouch service')
       // SH-03G can be very slow to start sometimes. Make sure we try long
       // enough.
-      return tryConnect(5, 100)
+      return tryConnect(7, 100)
     }
 
     TouchConsumer.prototype._stop = function() {