arm: mvebu: add Aurora L2 Cache Controller to the DT

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Yehuda Yitschak <yehuday@marvell.com>
Tested-and-reviewed-by: Yehuda Yitschak <yehuday@marvell.com>
Tested-and-reviewed-by: Lior Amsalem <alior@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>

Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
index 7fbac28..636cf7d 100644
--- a/arch/arm/boot/dts/armada-370.dtsi
+++ b/arch/arm/boot/dts/armada-370.dtsi
@@ -20,6 +20,12 @@
 / {
 	model = "Marvell Armada 370 family SoC";
 	compatible = "marvell,armada370", "marvell,armada-370-xp";
+	L2: l2-cache {
+		compatible = "marvell,aurora-outer-cache";
+		reg = <0xd0008000 0x1000>;
+		cache-id-part = <0x100>;
+		wt-override;
+	};
 
 	aliases {
 		gpio0 = &gpio0;