arm64: dts: zynqmp: Fix node names which contain "_"

s/_/-/ for node names.

It fixes warnings like this:
... Warning (node_name_chars_strict): /cpu_opp_table:
Character '_' not recommended in node name ...

Issues reported by make dtbs W=12

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/dts/zynqmp-clk.dtsi b/arch/arm/dts/zynqmp-clk.dtsi
index 9ef55ad..c9464ec 100644
--- a/arch/arm/dts/zynqmp-clk.dtsi
+++ b/arch/arm/dts/zynqmp-clk.dtsi
@@ -61,13 +61,13 @@
 		clock-accuracy = <100>;
 	};
 
-	dpdma_clk: dpdma_clk {
+	dpdma_clk: dpdma-clk {
 		compatible = "fixed-clock";
 		#clock-cells = <0x0>;
 		clock-frequency = <533000000>;
 	};
 
-	drm_clock: drm_clock {
+	drm_clock: drm-clock {
 		compatible = "fixed-clock";
 		#clock-cells = <0x0>;
 		clock-frequency = <262750000>;
diff --git a/arch/arm/dts/zynqmp-zcu100-revC.dts b/arch/arm/dts/zynqmp-zcu100-revC.dts
index 106b56b..02573a1 100644
--- a/arch/arm/dts/zynqmp-zcu100-revC.dts
+++ b/arch/arm/dts/zynqmp-zcu100-revC.dts
@@ -95,7 +95,7 @@
 			linux,default-trigger = "bluetooth-power";
 		};
 
-		vbus_det { /* U5 USB5744 VBUS detection via MIO25 */
+		vbus-det { /* U5 USB5744 VBUS detection via MIO25 */
 			label = "vbus_det";
 			gpios = <&gpio 25 GPIO_ACTIVE_HIGH>;
 			default-state = "on";
@@ -120,7 +120,7 @@
 		regulator-boot-on;
 	};
 
-	sdio_pwrseq: sdio_pwrseq {
+	sdio_pwrseq: sdio-pwrseq {
 		compatible = "mmc-pwrseq-simple";
 		reset-gpios = <&gpio 7 GPIO_ACTIVE_LOW>; /* WIFI_EN */
 	};
diff --git a/arch/arm/dts/zynqmp-zcu102-revA.dts b/arch/arm/dts/zynqmp-zcu102-revA.dts
index 78110c4..7d2f59b 100644
--- a/arch/arm/dts/zynqmp-zcu102-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu102-revA.dts
@@ -58,7 +58,7 @@
 
 	leds {
 		compatible = "gpio-leds";
-		heartbeat_led {
+		heartbeat-led {
 			label = "heartbeat";
 			gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
@@ -213,25 +213,25 @@
 		gpio-line-names = "PS_GTR_LAN_SEL0", "PS_GTR_LAN_SEL1", "PS_GTR_LAN_SEL2", "PS_GTR_LAN_SEL3",
 				"PCI_CLK_DIR_SEL", "IIC_MUX_RESET_B", "GEM3_EXP_RESET_B",
 				"", "", "", "", "", "", "", "", "";
-		gtr_sel0 {
+		gtr-sel0 {
 			gpio-hog;
 			gpios = <0 0>;
 			output-low; /* PCIE = 0, DP = 1 */
 			line-name = "sel0";
 		};
-		gtr_sel1 {
+		gtr-sel1 {
 			gpio-hog;
 			gpios = <1 0>;
 			output-high; /* PCIE = 0, DP = 1 */
 			line-name = "sel1";
 		};
-		gtr_sel2 {
+		gtr-sel2 {
 			gpio-hog;
 			gpios = <2 0>;
 			output-high; /* PCIE = 0, USB0 = 1 */
 			line-name = "sel2";
 		};
-		gtr_sel3 {
+		gtr-sel3 {
 			gpio-hog;
 			gpios = <3 0>;
 			output-high; /* PCIE = 0, SATA = 1 */
diff --git a/arch/arm/dts/zynqmp-zcu106-revA.dts b/arch/arm/dts/zynqmp-zcu106-revA.dts
index 7c73ff2..6faac95 100644
--- a/arch/arm/dts/zynqmp-zcu106-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu106-revA.dts
@@ -58,7 +58,7 @@
 
 	leds {
 		compatible = "gpio-leds";
-		heartbeat_led {
+		heartbeat-led {
 			label = "heartbeat";
 			gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
diff --git a/arch/arm/dts/zynqmp-zcu111-revA.dts b/arch/arm/dts/zynqmp-zcu111-revA.dts
index ca95d7e..5b648ce 100644
--- a/arch/arm/dts/zynqmp-zcu111-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu111-revA.dts
@@ -58,7 +58,7 @@
 
 	leds {
 		compatible = "gpio-leds";
-		heartbeat_led {
+		heartbeat-led {
 			label = "heartbeat";
 			gpios = <&gpio 23 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index 8646c4c..232fd0c 100644
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -74,7 +74,7 @@
 		};
 	};
 
-	cpu_opp_table: cpu_opp_table {
+	cpu_opp_table: cpu-opp-table {
 		compatible = "operating-points-v2";
 		opp-shared;
 		opp00 {
@@ -252,7 +252,7 @@
 		};
 	};
 
-	amba_apu: amba_apu@0 {
+	amba_apu: amba-apu@0 {
 		compatible = "simple-bus";
 		#address-cells = <2>;
 		#size-cells = <1>;