ARM: mvebu: use improved armada spi device tree compatible name for each SoC

Use the new compatible introduced in order to benefit of a wider and
more accurate range of baud rates to be used.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
diff --git a/arch/arm/boot/dts/armada-370.dtsi b/arch/arm/boot/dts/armada-370.dtsi
index 00b50db5..3f036bd 100644
--- a/arch/arm/boot/dts/armada-370.dtsi
+++ b/arch/arm/boot/dts/armada-370.dtsi
@@ -139,11 +139,15 @@
 			 * board level if a different configuration is used.
 			 */
 			spi0: spi@10600 {
+				compatible = "marvell,armada-370-spi",
+						"marvell,orion-spi";
 				pinctrl-0 = <&spi0_pins1>;
 				pinctrl-names = "default";
 			};
 
 			spi1: spi@10680 {
+				compatible = "marvell,armada-370-spi",
+						"marvell,orion-spi";
 				pinctrl-0 = <&spi1_pins>;
 				pinctrl-names = "default";
 			};