ARM: dts: Configure simple-pm-bus for omap5 l4_cfg

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/omap5-l4.dtsi

 &l4_cfg {						/* 0x4a000000 */
-	compatible = "ti,omap5-l4-cfg", "simple-bus";
+	compatible = "ti,omap5-l4-cfg", "simple-pm-bus";
+	power-domains = <&prm_core>;
+	clocks = <&l4cfg_clkctrl OMAP5_L4_CFG_CLKCTRL 0>;
+	clock-names = "fck";
 	reg = <0x4a000000 0x800>,
 	      <0x4a000800 0x800>,
 	      <0x4a001000 0x1000>;
@@ -15,7 +18,7 @@ &l4_cfg {						/* 0x4a000000 */
 		 <0x00300000 0x4a300000 0x080000>;	/* segment 6 */
 
 	segment@0 {					/* 0x4a000000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x00000000 0x00000000 0x000800>,	/* ap 0 */
@@ -391,7 +394,7 @@ target-module@75000 {			/* 0x4a075000, ap 81 32.0 */
 	};
 
 	segment@80000 {					/* 0x4a080000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x00059000 0x000d9000 0x001000>,	/* ap 13 */
@@ -654,7 +657,7 @@ hwspinlock: spinlock@0 {
 	};
 
 	segment@100000 {					/* 0x4a100000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x00002000 0x00102000 0x001000>,	/* ap 59 */
@@ -722,13 +725,13 @@ sata: sata@0 {
 	};
 
 	segment@180000 {					/* 0x4a180000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 	};
 
 	segment@200000 {					/* 0x4a200000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 		ranges = <0x0001e000 0x0021e000 0x001000>,	/* ap 29 */
@@ -934,13 +937,13 @@ target-module@2a000 {			/* 0x4a22a000, ap 55 5a.0 */
 	};
 
 	segment@280000 {					/* 0x4a280000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 	};
 
 	segment@300000 {					/* 0x4a300000 */
-		compatible = "simple-bus";
+		compatible = "simple-pm-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
 	};