sh-pfc: Remove support for platform data

Platform data isn't used, support can thus be removed.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/sh-pfc/core.c b/drivers/pinctrl/sh-pfc/core.c
index b551336..13f40c5 100644
--- a/drivers/pinctrl/sh-pfc/core.c
+++ b/drivers/pinctrl/sh-pfc/core.c
@@ -354,8 +354,7 @@
 	struct sh_pfc *pfc;
 	int ret;
 
-	info = pdev->id_entry->driver_data
-	      ? (void *)pdev->id_entry->driver_data : pdev->dev.platform_data;
+	info = (void *)pdev->id_entry->driver_data;
 	if (info == NULL)
 		return -ENODEV;