staging: frontier: Fix typo in staging/frontier

Collect "be be" in dev_err messages.

Signed-off-by: Masanari Iida <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/frontier/alphatrack.c

···
 	}
 
 	if (dev->interrupt_out_endpoint == NULL) {
-		dev_err(&dev->intf->dev, "Endpoint should not be be null!\n");
+		dev_err(&dev->intf->dev, "Endpoint should not be null!\n");
 		goto unlock_exit;
 	}
 

drivers/staging/frontier/tranzport.c

···
 	}
 
 	if (dev->interrupt_out_endpoint == NULL) {
-		dev_err(&dev->intf->dev, "Endpoint should not be be null!\n");
+		dev_err(&dev->intf->dev, "Endpoint should not be null!\n");
 		goto unlock_exit;
 	}