ARM: dts: add twi nodes for atmel SoCs

Add TWI nodes for atmel SoCs but keep i2c-gpio ones in order to let the
choice to the user in dts files.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi
index b460d6c..e7942c7 100644
--- a/arch/arm/boot/dts/at91sam9263.dtsi
+++ b/arch/arm/boot/dts/at91sam9263.dtsi
@@ -24,6 +24,7 @@
 		gpio3 = &pioD;
 		gpio4 = &pioE;
 		tcb0 = &tcb0;
+		i2c0 = &i2c0;
 	};
 	cpus {
 		cpu@0 {
@@ -180,6 +181,15 @@
 				interrupts = <24 4 2>;
 				status = "disabled";
 			};
+
+			i2c0: i2c@fff88000 {
+				compatible = "atmel,at91sam9263-i2c";
+				reg = <0xfff88000 0x100>;
+				interrupts = <13 4 6>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
 		};
 
 		nand0: nand@40000000 {