ARM: dts: qcom: apq8060-dragonboard: align MPP pin node names with DT schema

DT schema expects nodes ending with "pins:

qcom-apq8060-dragonboard.dtb: mpps@50: cm3605-mpps-state: 'oneOf' conditional failed, one must be fixed:
'mpp5' does not match any of the regexes: '-pins$', 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Konrad Dybcio <[e-mail]>
Signed-off-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/arm/boot/dts/qcom-apq8060-dragonboard.dts

···
 
 &pm8058_mpps {
 	dragon_cm3605_mpps: cm3605-mpps-state {
-		mpp5 {
-			pins = "mpp5";
-			function = "analog";
-			input-enable;
-			bias-high-impedance;
-			/* Let's use channel 5 */
-			qcom,amux-route = <PMIC_MPP_AMUX_ROUTE_CH5>;
-			power-source = <PM8058_GPIO_S3>;
-		};
+		pins = "mpp5";
+		function = "analog";
+		input-enable;
+		bias-high-impedance;
+		/* Let's use channel 5 */
+		qcom,amux-route = <PMIC_MPP_AMUX_ROUTE_CH5>;
+		power-source = <PM8058_GPIO_S3>;
 	};
 };