ARM: dts: keystone: Remove ti,keystone from soc node compatible

This is just a "simple-bus" node, there is no need for the extra
compatible "ti,keystone" which is unused and undocumented.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20230515183515.509371-4-afd@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm/boot/dts/keystone.dtsi

@@ -69,9 +69,9 @@ psci {
 	};
 
 	soc0: soc@0 {
+		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		compatible = "ti,keystone","simple-bus";
 		interrupt-parent = <&gic>;
 		ranges = <0x0 0x0 0x0 0xc0000000>;
 		dma-ranges = <0x80000000 0x8 0x00000000 0x80000000>;