arm: octeontx2: Add dtsi/dts files for Octeon TX2 CN913x DB

This patch adds the dtsi/dts files needed to support the Marvell
Octeon TX2 CN913x DB. This is only the base port with not all
interfaces supported fully.

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 2538dd3..9c601a5 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -237,6 +237,12 @@
 	armada-xp-maxbcm.dtb			\
 	armada-xp-synology-ds414.dtb		\
 	armada-xp-theadorable.dtb		\
+	cn9130-db-A.dtb				\
+	cn9130-db-B.dtb				\
+	cn9131-db-A.dtb				\
+	cn9131-db-B.dtb				\
+	cn9132-db-A.dtb				\
+	cn9132-db-B.dtb				\
 	cn9130-crb-A.dtb			\
 	cn9130-crb-B.dtb