arm64: dts: remove "simple-bus" compatible from ifc node

The binding of ifc device has been updated.  Update dts to match
accordingly.
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi

@@ -390,7 +390,7 @@ dcfg: dcfg@1ee0000 {
 		};
 
 		ifc: ifc@1530000 {
-			compatible = "fsl,ifc", "simple-bus";
+			compatible = "fsl,ifc";
 			reg = <0x0 0x1530000 0x0 0x10000>;
 			interrupts = <0 43 0x4>;
 		};

arch/arm64/boot/dts/freescale/fsl-ls1046a.dtsi

@@ -281,7 +281,7 @@ ddr: memory-controller@1080000 {
 		};
 
 		ifc: ifc@1530000 {
-			compatible = "fsl,ifc", "simple-bus";
+			compatible = "fsl,ifc";
 			reg = <0x0 0x1530000 0x0 0x10000>;
 			interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";

arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi

@@ -397,7 +397,7 @@ gpio3: gpio@2330000 {
 		};
 
 		ifc: ifc@2240000 {
-			compatible = "fsl,ifc", "simple-bus";
+			compatible = "fsl,ifc";
 			reg = <0x0 0x2240000 0x0 0x20000>;
 			interrupts = <0 21 IRQ_TYPE_LEVEL_HIGH>;
 			little-endian;

arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi

@@ -1037,7 +1037,7 @@ i2c3: i2c@2030000 {
 		};
 
 		ifc: ifc@2240000 {
-			compatible = "fsl,ifc", "simple-bus";
+			compatible = "fsl,ifc";
 			reg = <0x0 0x2240000 0x0 0x20000>;
 			interrupts = <0 21 0x4>; /* Level high type */
 			little-endian;