ARM: dts: DRA7: use new dra7-specific compatible string

Use the new compatible string "ti,dra7-hsmmc" that was specifically
added for dra7 and dra72. This is required since for dra7 and dra72
processors iodelay values has to be set unlike other processors.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>

arch/arm/dts/dra7.dtsi

@@ -1056,7 +1056,7 @@
 		};
 
 		mmc1: mmc@4809c000 {
-			compatible = "ti,omap4-hsmmc";
+			compatible = "ti,dra7-hsmmc", "ti,omap4-hsmmc";
 			reg = <0x4809c000 0x400>;
 			interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
 			ti,hwmods = "mmc1";
@@ -1070,7 +1070,7 @@
 		};
 
 		mmc2: mmc@480b4000 {
-			compatible = "ti,omap4-hsmmc";
+			compatible = "ti,dra7-hsmmc", "ti,omap4-hsmmc";
 			reg = <0x480b4000 0x400>;
 			interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
 			ti,hwmods = "mmc2";
@@ -1082,7 +1082,7 @@
 		};
 
 		mmc3: mmc@480ad000 {
-			compatible = "ti,omap4-hsmmc";
+			compatible = "ti,dra7-hsmmc", "ti,omap4-hsmmc";
 			reg = <0x480ad000 0x400>;
 			interrupts = <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
 			ti,hwmods = "mmc3";
@@ -1095,7 +1095,7 @@
 		};
 
 		mmc4: mmc@480d1000 {
-			compatible = "ti,omap4-hsmmc";
+			compatible = "ti,dra7-hsmmc", "ti,omap4-hsmmc";
 			reg = <0x480d1000 0x400>;
 			interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
 			ti,hwmods = "mmc4";