Revert "usb: dwc2: move "samsung,s3c6400-hsotg" into common platform"

This reverts commit 8df43857.

This patch breaks building dwc2 driver in gadget mode at samsung
platforms.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc2/gadget.c

@@ -3642,6 +3642,7 @@ static int s3c_hsotg_resume(struct platform_device *pdev)
 
 #ifdef CONFIG_OF
 static const struct of_device_id s3c_hsotg_of_ids[] = {
+	{ .compatible = "samsung,s3c6400-hsotg", },
 	{ .compatible = "snps,dwc2", },
 	{ /* sentinel */ }
 };

drivers/usb/dwc2/platform.c

@@ -129,7 +129,6 @@ static const struct of_device_id dwc2_of_match_table[] = {
 	{ .compatible = "brcm,bcm2835-usb", .data = &params_bcm2835 },
 	{ .compatible = "rockchip,rk3066-usb", .data = &params_rk3066 },
 	{ .compatible = "snps,dwc2", .data = NULL },
-	{ .compatible = "samsung,s3c6400-hsotg", .data = NULL},
 	{},
 };
 MODULE_DEVICE_TABLE(of, dwc2_of_match_table);