arm64: tegra: Fix pcie-ep DT nodes

As defined by Documentation/devicetree/bindings/pci/pci-ep.yaml,
PCIe endpoints match this pattern:

	properties:
	  $nodename:
	    pattern: "^pcie-ep@"

Change the existing ones in order to avoid those warnings:

	arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dt.yaml: pcie_ep@14160000: $nodename:0: 'pcie_ep@14160000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dt.yaml: pcie_ep@14180000: $nodename:0: 'pcie_ep@14180000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dt.yaml: pcie_ep@141a0000: $nodename:0: 'pcie_ep@141a0000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dt.yaml: pcie_ep@14160000: $nodename:0: 'pcie_ep@14160000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dt.yaml: pcie_ep@14180000: $nodename:0: 'pcie_ep@14180000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0000.dt.yaml: pcie_ep@141a0000: $nodename:0: 'pcie_ep@141a0000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dt.yaml: pcie_ep@14160000: $nodename:0: 'pcie_ep@14160000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dt.yaml: pcie_ep@14180000: $nodename:0: 'pcie_ep@14180000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
	arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dt.yaml: pcie_ep@141a0000: $nodename:0: 'pcie_ep@141a0000' does not match '^pcie-ep@'
		From schema: Documentation/devicetree/bindings/pci/snps,dw-pcie-ep.yaml
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts

@@ -1971,7 +1971,7 @@ pcie@141a0000 {
 			    "p2u-5", "p2u-6", "p2u-7";
 	};
 
-	pcie_ep@141a0000 {
+	pcie-ep@141a0000 {
 		status = "disabled";
 
 		vddio-pex-ctl-supply = <&vdd_1v8ao>;

arch/arm64/boot/dts/nvidia/tegra194-p3509-0000.dtsi

@@ -1950,7 +1950,7 @@ pcie@141a0000 {
 			    "p2u-5", "p2u-6", "p2u-7";
 	};
 
-	pcie_ep@141a0000 {
+	pcie-ep@141a0000 {
 		status = "disabled";
 
 		vddio-pex-ctl-supply = <&vdd_1v8ao>;

arch/arm64/boot/dts/nvidia/tegra194.dtsi

@@ -2320,7 +2320,7 @@ pcie@141a0000 {
 		dma-coherent;
 	};
 
-	pcie_ep@14160000 {
+	pcie-ep@14160000 {
 		compatible = "nvidia,tegra194-pcie-ep";
 		power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX4A>;
 		reg = <0x00 0x14160000 0x0 0x00020000>, /* appl registers (128K)      */
@@ -2360,7 +2360,7 @@ pcie_ep@14160000 {
 		dma-coherent;
 	};
 
-	pcie_ep@14180000 {
+	pcie-ep@14180000 {
 		compatible = "nvidia,tegra194-pcie-ep";
 		power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8B>;
 		reg = <0x00 0x14180000 0x0 0x00020000>, /* appl registers (128K)      */
@@ -2400,7 +2400,7 @@ pcie_ep@14180000 {
 		dma-coherent;
 	};
 
-	pcie_ep@141a0000 {
+	pcie-ep@141a0000 {
 		compatible = "nvidia,tegra194-pcie-ep";
 		power-domains = <&bpmp TEGRA194_POWER_DOMAIN_PCIEX8A>;
 		reg = <0x00 0x141a0000 0x0 0x00020000>, /* appl registers (128K)      */