omapfb: encoder-tpd12s015: remove redundant pointer 'in'

Pointer 'in' is being assigned but is never used hence it is
redundant and can be removed.

Cleans up clang warning:
warning: variable 'in' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

drivers/video/fbdev/omap2/omapfb/displays/encoder-tpd12s015.c

@@ -218,7 +218,7 @@ static int tpd_probe_of(struct platform_device *pdev)
 
 static int tpd_probe(struct platform_device *pdev)
 {
-	struct omap_dss_device *in, *dssdev;
+	struct omap_dss_device *dssdev;
 	struct panel_drv_data *ddata;
 	int r;
 	struct gpio_desc *gpio;
@@ -237,7 +237,6 @@ static int tpd_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-
 	gpio = devm_gpiod_get_index_optional(&pdev->dev, NULL, 0,
 		GPIOD_OUT_LOW);
 	if (IS_ERR(gpio)) {
@@ -273,8 +272,6 @@ static int tpd_probe(struct platform_device *pdev)
 	dssdev->owner = THIS_MODULE;
 	dssdev->port_num = 1;
 
-	in = ddata->in;
-
 	r = omapdss_register_output(dssdev);
 	if (r) {
 		dev_err(&pdev->dev, "Failed to register output\n");