ARM: SPEAr: Add plgpio node in device tree dtsi files

This patch adds plgpio nodes in SPEAr DT files.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/boot/dts/spear320-evb.dts b/arch/arm/boot/dts/spear320-evb.dts
index 082328b..ad4bfc6 100644
--- a/arch/arm/boot/dts/spear320-evb.dts
+++ b/arch/arm/boot/dts/spear320-evb.dts
@@ -164,6 +164,10 @@
 			       status = "okay";
 			};
 
+			gpio@b3000000 {
+			       status = "okay";
+			};
+
 			i2c0: i2c@d0180000 {
 			       status = "okay";
 			};