arm: mvebu: SATA support: board-level DT data for Armada 370/XP boards

Add the SATA device tree bindings for
- Armada XP evaluation board (DB-78460-BP)
- Armada 370 evaluation board (DB-88F6710-BP-DDR3)

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Lior Amsalem <alior@marvell.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

arch/arm/boot/dts/armada-370-db.dts

@@ -34,5 +34,9 @@
 			clock-frequency = <200000000>;
 			status = "okay";
 		};
+		sata@d00a0000 {
+			nr-ports = <2>;
+			status = "okay";
+		};
 	};
 };

arch/arm/boot/dts/armada-xp-db.dts

@@ -46,5 +46,9 @@
 			clock-frequency = <250000000>;
 			status = "okay";
 		};
+		sata@d00a0000 {
+			nr-ports = <2>;
+			status = "okay";
+		};
 	};
 };