usb: chipidea: ci_hdrc_imx: remove unused variable 'res'

'res' is not used anywhere, so let's get rid of it.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Acked-by: NPeter Chen <peter.chen@freescale.com>
Signed-off-by: NAlexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/chipidea/ci_hdrc_imx.c

@@ -96,7 +96,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 				  CI_HDRC_PULLUP_ON_VBUS |
 				  CI_HDRC_DISABLE_STREAMING,
 	};
-	struct resource *res;
 	int ret;
 
 	if (of_find_property(pdev->dev.of_node, "fsl,usbmisc", NULL)
@@ -109,12 +108,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "Can't get device resources!\n");
-		return -ENOENT;
-	}
-
 	data->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(data->clk)) {
 		dev_err(&pdev->dev,