arm64: dts: qcom: align PMIC GPIO pin configuration with DT schema

DT schema expects PMIC GPIO pin configuration nodes to be named with
'-state' suffix:

  qcom/sc7280-herobrine-crd.dtb: pmic@2: gpio@8800: 'edp-bl-reg-en' does not match any of the regexes: '-state$', 'pinctrl-[0-9]+'
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220828084341.112146-11-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/sc7280-herobrine-crd.dts

@@ -167,7 +167,7 @@ &pm8350c_gpios {
 			  "PMIC_EDP_BL_PWM",
 			  "";
 
-	edp_bl_reg_en: edp-bl-reg-en {
+	edp_bl_reg_en: edp-bl-reg-en-state {
 		pins = "gpio6";
 		function = "normal";
 		bias-disable;

arch/arm64/boot/dts/qcom/sdm845-xiaomi-polaris.dts

@@ -522,7 +522,7 @@ &pmi8998_wled {
 };
 
 &pm8998_gpio {
-	volume_up_gpio: pm8998_gpio6 {
+	volume_up_gpio: pm8998-gpio6-state {
 		pinconf {
 			qcom,drive-strength = <PMIC_GPIO_STRENGTH_NO>;
 			function = "normal";