SPEAr3xx: Add pinctrl support for boards

Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Stephen Warren <swarren@wwwdotorg.org>
diff --git a/arch/arm/boot/dts/spear300.dtsi b/arch/arm/boot/dts/spear300.dtsi
index f9fcbf4..01c5e35 100644
--- a/arch/arm/boot/dts/spear300.dtsi
+++ b/arch/arm/boot/dts/spear300.dtsi
@@ -21,6 +21,11 @@
 		ranges = <0x60000000 0x60000000 0x50000000
 			  0xd0000000 0xd0000000 0x30000000>;
 
+		pinmux@99000000 {
+			compatible = "st,spear300-pinmux";
+			reg = <0x99000000 0x1000>;
+		};
+
 		clcd@60000000 {
 			compatible = "arm,clcd-pl110", "arm,primecell";
 			reg = <0x60000000 0x1000>;