serial: imx: Remove unneeded goto label

Instead of jumping to 'error_out1' label we can simplify the code and return the
error code directly.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/imx.c

@@ -1076,11 +1076,11 @@ static int imx_startup(struct uart_port *port)
 
 	retval = clk_prepare_enable(sport->clk_per);
 	if (retval)
-		goto error_out1;
+		return retval;
 	retval = clk_prepare_enable(sport->clk_ipg);
 	if (retval) {
 		clk_disable_unprepare(sport->clk_per);
-		goto error_out1;
+		return retval;
 	}
 
 	imx_setup_ufcr(sport, 0);
@@ -1170,9 +1170,6 @@ static int imx_startup(struct uart_port *port)
 	}
 
 	return 0;
-
-error_out1:
-	return retval;
 }
 
 static void imx_shutdown(struct uart_port *port)