ARM: dts: at91: sam9x60: Change i2c compatible

There's a more specific compatible string for the i2c interface, use it.

Signed-off-by: Alexander Dahl <ada@thorsis.com>
diff --git a/arch/arm/dts/at91-sam9x60_curiosity.dts b/arch/arm/dts/at91-sam9x60_curiosity.dts
index da5e19b..ae707dd 100644
--- a/arch/arm/dts/at91-sam9x60_curiosity.dts
+++ b/arch/arm/dts/at91-sam9x60_curiosity.dts
@@ -21,7 +21,7 @@
 				status = "okay";
 
 				i2c@600 {
-					compatible = "atmel,sama5d2-i2c";
+					compatible = "microchip,sam9x60-i2c";
 					reg = <0x600 0x200>;
 					pinctrl-names = "default";
 					pinctrl-0 = <&pinctrl_flx0>;