ARM: dts: Configure simple-pm-bus for omap4 l4_per

We can now probe interconnects with device tree only configuration using
simple-pm-bus and genpd.
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap4-l4.dtsi

@@ -1287,7 +1287,10 @@ target-module@6000 {			/* 0x4a326000, ap 13 28.0 */
 };
 
 &l4_per {						/* 0x48000000 */
-	compatible = "ti,omap4-l4-per", "simple-bus";
+	compatible = "ti,omap4-l4-per", "simple-pm-bus";
+	power-domains = <&prm_l4per>;
+	clocks = <&l4_per_clkctrl OMAP4_L4_PER_CLKCTRL 0>;
+	clock-names = "fck";
 	reg = <0x48000000 0x800>,
 	      <0x48000800 0x800>,
 	      <0x48001000 0x400>,
@@ -1301,7 +1304,7 @@ &l4_per {						/* 0x48000000 */
 		 <0x00200000 0x48200000 0x200000>;	/* segment 1 */
 
 	segment@0 {					/* 0x48000000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x00000000 0x00000000 0x000800>,	/* ap 0 */
@@ -2440,7 +2443,7 @@ mmc5: mmc@0 {
 	};
 
 	segment@200000 {					/* 0x48200000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x00150000 0x00350000 0x001000>,	/* ap 77 */