USB: serial: iuu_phoenix: remove unneeded break

A break is not needed if it is preceded by a return.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Johan Hovold <johan@kernel.org>

drivers/usb/serial/iuu_phoenix.c

@@ -850,7 +850,6 @@ static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base,
 	default:
 		kfree(dataout);
 		return IUU_INVALID_PARAMETER;
-		break;
 	}
 
 	switch (parity & 0xF0) {
@@ -864,7 +863,6 @@ static int iuu_uart_baud(struct usb_serial_port *port, u32 baud_base,
 	default:
 		kfree(dataout);
 		return IUU_INVALID_PARAMETER;
-		break;
 	}
 
 	status = bulk_immediate(port, dataout, DataCount);