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

Move the "samsung,s3c6400-hsotg" binding as the probe function in the gadget
driver will get removed when the dual-role driver is implemented.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc2/gadget.c

@@ -3642,7 +3642,6 @@ 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

@@ -129,6 +129,7 @@ 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);