ARM: dts: vf610-zii-cfu1: Run I2C0 at 400 kHz

All the I2C devices connected to the I2C0 bus are capable of
running at 400kHz, so run it at a higher frequency.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/vf610-zii-cfu1.dts

@@ -207,7 +207,7 @@ fixed-link {
 };
 
 &i2c0 {
-	clock-frequency = <100000>;
+	clock-frequency = <400000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c0>;
 	status = "okay";