net: ravb: Add R8A77990 E3 compatible

Add new compatible to the Ethernet AVB driver for R8A77990 E3 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 3392e58..999894f 100644
--- a/drivers/net/ravb.c
+++ b/drivers/net/ravb.c
@@ -659,6 +659,7 @@
 	{ .compatible = "renesas,etheravb-r8a7796" },
 	{ .compatible = "renesas,etheravb-r8a77965" },
 	{ .compatible = "renesas,etheravb-r8a77970" },
+	{ .compatible = "renesas,etheravb-r8a77990" },
 	{ .compatible = "renesas,etheravb-r8a77995" },
 	{ .compatible = "renesas,etheravb-rcar-gen3" },
 	{ }