ARM: dts: exynos4: Add node for PWM device

This patch adds device tree node for PWM block present on Exynos 4 SoCs.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/exynos4.dtsi

@@ -264,6 +264,14 @@ spi_2: spi@13940000 {
 		status = "disabled";
 	};
 
+	pwm@139D0000 {
+		compatible = "samsung,exynos4210-pwm";
+		reg = <0x139D0000 0x1000>;
+		interrupts = <0 37 0>, <0 38 0>, <0 39 0>, <0 40 0>, <0 41 0>;
+		#pwm-cells = <2>;
+		status = "disabled";
+	};
+
 	amba {
 		#address-cells = <1>;
 		#size-cells = <1>;