ARM: tegra: add palmas pincontrol to Dalmore device tree

Add Palmas pincontrol to Dalmore device tree and make following
configuration as default:
- Disable DVFS1 and DVFS2.
- Set GPIO6 to gpio mode.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

arch/arm/boot/dts/tegra114-dalmore.dts

@@ -1011,6 +1011,19 @@ rtc {
 				interrupt-parent = <&palmas>;
 				interrupts = <8 0>;
 			};
+
+			pinmux {
+				compatible = "ti,tps65913-pinctrl";
+				pinctrl-names = "default";
+				pinctrl-0 = <&palmas_default>;
+
+				palmas_default: pinmux {
+					pin_gpio6 {
+						pins = "gpio6";
+						function = "gpio";
+					};
+				};
+			};
 		};
 	};