ARM: tegra: add PWM nodes to Tegra114 DT

This patch adds a device tree node for the four PWM controllers present
on Tegra114.
Signed-off-by: Andrew Chew <achew@nvidia.com>
Signed-off-by: Stephen Warren <swarren@nvidia.com>

arch/arm/boot/dts/tegra114.dtsi

@@ -97,6 +97,14 @@ serial@70006300 {
 		clocks = <&tegra_car 65>;
 	};
 
+	pwm: pwm {
+		compatible = "nvidia,tegra114-pwm", "nvidia,tegra20-pwm";
+		reg = <0x7000a000 0x100>;
+		#pwm-cells = <2>;
+		clocks = <&tegra_car 17>;
+		status = "disabled";
+	};
+
 	rtc {
 		compatible = "nvidia,tegra114-rtc", "nvidia,tegra20-rtc";
 		reg = <0x7000e000 0x100>;