tty/serial/altera_uart: unwrap error log string

The error log string should be a single line, unwrap it.

Suggested-by: Jiri Slaby <[e-mail]>
Link: https://lore.kernel.org/all/[e-mail]/
Signed-off-by: Tobias Klauser <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/tty/serial/altera_uart.c

···
 		ret = request_irq(port->irq, altera_uart_interrupt, 0,
 				dev_name(port->dev), port);
 		if (ret) {
-			dev_err(port->dev, "unable to attach Altera UART %d "
-			       "interrupt vector=%d\n", port->line, port->irq);
+			dev_err(port->dev, "unable to attach Altera UART %d interrupt vector=%d\n",
+				port->line, port->irq);
 			return ret;
 		}
 	}