net: ravb: Add R8A77970 V3M compatible

Add new compatible to the Ethernet AVB driver for R8A77970 V3M SoC.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c
index 26d95f1..d82a954 100644
--- a/drivers/net/ravb.c
+++ b/drivers/net/ravb.c
@@ -652,6 +652,7 @@
 static const struct udevice_id ravb_ids[] = {
 	{ .compatible = "renesas,etheravb-r8a7795" },
 	{ .compatible = "renesas,etheravb-r8a7796" },
+	{ .compatible = "renesas,etheravb-r8a77970" },
 	{ .compatible = "renesas,etheravb-rcar-gen3" },
 	{ }
 };