powerpc/dts: add eSDHC compatible list

Add eSDHC compatible list for P2041/P3041/P4080/P5020/P5040.
Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Acked-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

arch/powerpc/boot/dts/fsl/p2041si-post.dtsi

@@ -370,6 +370,7 @@ spi@110000 {
 
 /include/ "qoriq-esdhc-0.dtsi"
 	sdhc@114000 {
+		compatible = "fsl,p2041-esdhc", "fsl,esdhc";
 		fsl,iommu-parent = <&pamu1>;
 		fsl,liodn-reg = <&guts 0x530>; /* eSDHCLIODNR */
 		sdhci,auto-cmd12;

arch/powerpc/boot/dts/fsl/p3041si-post.dtsi

@@ -397,6 +397,7 @@ spi@110000 {
 
 /include/ "qoriq-esdhc-0.dtsi"
 	sdhc@114000 {
+		compatible = "fsl,p3041-esdhc", "fsl,esdhc";
 		fsl,iommu-parent = <&pamu1>;
 		fsl,liodn-reg = <&guts 0x530>; /* eSDHCLIODNR */
 		sdhci,auto-cmd12;

arch/powerpc/boot/dts/fsl/p4080si-post.dtsi

@@ -469,6 +469,7 @@ spi@110000 {
 
 /include/ "qoriq-esdhc-0.dtsi"
 	sdhc@114000 {
+		compatible = "fsl,p4080-esdhc", "fsl,esdhc";
 		fsl,iommu-parent = <&pamu1>;
 		fsl,liodn-reg = <&guts 0x530>; /* eSDHCLIODNR */
 		voltage-ranges = <3300 3300>;

arch/powerpc/boot/dts/fsl/p5020si-post.dtsi

@@ -384,6 +384,7 @@ spi@110000 {
 
 /include/ "qoriq-esdhc-0.dtsi"
 	sdhc@114000 {
+		compatible = "fsl,p5020-esdhc", "fsl,esdhc";
 		fsl,iommu-parent = <&pamu1>;
 		fsl,liodn-reg = <&guts 0x530>; /* eSDHCLIODNR */
 		sdhci,auto-cmd12;

arch/powerpc/boot/dts/fsl/p5040si-post.dtsi

@@ -362,6 +362,7 @@ spi@110000 {
 
 /include/ "qoriq-esdhc-0.dtsi"
 	sdhc@114000 {
+		compatible = "fsl,p5040-esdhc", "fsl,esdhc";
 		fsl,iommu-parent = <&pamu2>;
 		fsl,liodn-reg = <&guts 0x530>; /* eSDHCLIODNR */
 		sdhci,auto-cmd12;