ARM: dts: exynos: simplify PMIC DVS pin configuration in Peach Pit

The pin configuration for PMIC DVS (pmic-dvs-2 and pmic-dvs-3) are
exactly the same, so merge them.
Signed-off-by: NKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20220111201426.326777-7-krzysztof.kozlowski@canonical.com

arch/arm/boot/dts/exynos5420-peach-pit.dts

@@ -212,7 +212,7 @@
 		interrupts = <1 IRQ_TYPE_NONE>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&max77802_irq>, <&pmic_selb>,
-			    <&pmic_dvs_1>, <&pmic_dvs_2>, <&pmic_dvs_3>;
+			    <&pmic_dvs_1>, <&pmic_dvs_2>;
 		wakeup-source;
 		reg = <0x9>;
 		#clock-cells = <1>;
@@ -892,14 +892,7 @@
 
 &pinctrl_2 {
 	pmic_dvs_2: pmic-dvs-2 {
-		samsung,pins = "gpj4-2";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
-		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
-	};
-
-	pmic_dvs_3: pmic-dvs-3 {
-		samsung,pins = "gpj4-3";
+		samsung,pins = "gpj4-2", "gpj4-3";
 		samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
 		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
 		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;