usb: renesas_usbhs: add a compatible string for r8a7796

This patch adds support for r8a7796 (R-Car M3-W).

Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/renesas_usbhs/common.c

@@ -481,6 +481,10 @@ static const struct of_device_id usbhs_of_match[] = {
 		.compatible = "renesas,usbhs-r8a7795",
 		.data = (void *)USBHS_TYPE_RCAR_GEN3,
 	},
+	{
+		.compatible = "renesas,usbhs-r8a7796",
+		.data = (void *)USBHS_TYPE_RCAR_GEN3,
+	},
 	{
 		.compatible = "renesas,rcar-gen2-usbhs",
 		.data = (void *)USBHS_TYPE_RCAR_GEN2,