phy: rcar-gen3-usb2: Add a compatible string for r8a7796

This driver can support for r8a7796 SoC. So, this patch adds it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
diff --git a/drivers/phy/phy-rcar-gen3-usb2.c b/drivers/phy/phy-rcar-gen3-usb2.c
index 31156c9..3d97ead 100644
--- a/drivers/phy/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/phy-rcar-gen3-usb2.c
@@ -280,6 +280,7 @@
 
 static const struct of_device_id rcar_gen3_phy_usb2_match_table[] = {
 	{ .compatible = "renesas,usb2-phy-r8a7795" },
+	{ .compatible = "renesas,usb2-phy-r8a7796" },
 	{ .compatible = "renesas,rcar-gen3-usb2-phy" },
 	{ }
 };