arm64: dts: renesas: Align GPIO hog names with dtschema

The convention for node names is to use hyphens, not underscores.
dtschema for pca95xx expects GPIO hogs to end with 'hog' suffix.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20201002163945.7885-1-krzk@kernel.orgSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm64/boot/dts/renesas/r8a77951-salvator-xs.dts

@@ -118,7 +118,7 @@ &ohci3 {
 };
 
 &pca9654 {
-	pcie_sata_switch {
+	pcie-sata-switch-hog {
 		gpio-hog;
 		gpios = <7 GPIO_ACTIVE_HIGH>;
 		output-low; /* enable SATA by default */

arch/arm64/boot/dts/renesas/r8a77965-salvator-xs.dts

@@ -55,7 +55,7 @@ &hdmi0_con {
 };
 
 &pca9654 {
-	pcie_sata_switch {
+	pcie-sata-switch-hog {
 		gpio-hog;
 		gpios = <7 GPIO_ACTIVE_HIGH>;
 		output-low; /* enable SATA by default */

arch/arm64/boot/dts/renesas/ulcb-kf.dtsi

@@ -143,49 +143,49 @@ gpio_exp_74: gpio@74 {
 		interrupt-parent = <&gpio6>;
 		interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
 
-		audio_out_off {
+		audio-out-off-hog {
 			gpio-hog;
 			gpios = <0 GPIO_ACTIVE_HIGH>; /* P00 */
 			output-high;
 			line-name = "Audio_Out_OFF";
 		};
 
-		hub_pwen {
+		hub-pwen-hog {
 			gpio-hog;
 			gpios = <6 GPIO_ACTIVE_HIGH>;
 			output-high;
 			line-name = "HUB pwen";
 		};
 
-		hub_rst {
+		hub-rst-hog {
 			gpio-hog;
 			gpios = <7 GPIO_ACTIVE_HIGH>;
 			output-high;
 			line-name = "HUB rst";
 		};
 
-		otg_extlpn {
+		otg-extlpn-hog {
 			gpio-hog;
 			gpios = <9 GPIO_ACTIVE_HIGH>;
 			output-high;
 			line-name = "OTG EXTLPn";
 		};
 
-		otg_offvbusn {
+		otg-offvbusn-hog {
 			gpio-hog;
 			gpios = <8 GPIO_ACTIVE_HIGH>;
 			output-low;
 			line-name = "OTG OFFVBUSn";
 		};
 
-		sd-wifi-mux {
+		sd-wifi-mux-hog {
 			gpio-hog;
 			gpios = <5 GPIO_ACTIVE_HIGH>;
 			output-low;	/* Connect WL1837 */
 			line-name = "SD WiFi mux";
 		};
 
-		snd_rst {
+		snd-rst-hog {
 			gpio-hog;
 			gpios = <15 GPIO_ACTIVE_HIGH>; /* P17 */
 			output-high;