arm64: mvebu: Armada 7K/8K: Add Armada 7K/8K dts files

This patch integrates the Armada 7K/8K dts files from the latest
submission on the linux-arm-kernel mailing list.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Nadav Haklai <nadavh@marvell.com>
Cc: Neta Zur Hershkovits <neta@marvell.com>
Cc: Kostya Porotchkin <kostap@marvell.com>
Cc: Omri Itach <omrii@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Haim Boot <hayim@marvell.com>
Cc: Hanna Hawa <hannah@marvell.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index e2de5e4..032c5ae 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -72,6 +72,7 @@
 	armada-388-clearfog.dtb			\
 	armada-388-gp.dtb			\
 	armada-385-amc.dtb			\
+	armada-7040-db.dtb			\
 	armada-xp-gp.dtb			\
 	armada-xp-maxbcm.dtb			\
 	armada-xp-synology-ds414.dtb		\