ARM: rmobile: Add R8A77970 V3M Eagle board

Add bits to support yet another board, the R8A77970 V3M Eagle.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index ed85349..b3f62c4 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -393,7 +393,8 @@
 	r8a7795-h3ulcb.dtb \
 	r8a7795-salvator-x.dtb \
 	r8a7796-m3ulcb.dtb \
-	r8a7796-salvator-x.dtb
+	r8a7796-salvator-x.dtb \
+	r8a77970-eagle.dtb
 
 dtb-$(CONFIG_SOC_KEYSTONE) += keystone-k2hk-evm.dtb \
 	keystone-k2l-evm.dtb \