ARM: dts: cfa10049: Add the i2c muxer buses to the CFA-10049

This will allow to add the 3 Nuvoton NAU7802 ADCs and the NXP PCA9555
GPIO expander eventually.
Signed-off-by: NMaxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: NShawn Guo <shawn.guo@linaro.org>
Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>

arch/arm/boot/dts/imx28-cfa10049.dts

@@ -70,6 +70,30 @@
 				status = "okay";
 			};
 
+			i2cmux {
+				compatible = "i2c-mux-gpio";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				mux-gpios = <&gpio1 22 0 &gpio1 23 0>;
+				i2c-parent = <&i2c1>;
+
+				i2c@0 {
+					reg = <0>;
+				};
+
+				i2c@1 {
+					reg = <1>;
+				};
+
+				i2c@2 {
+					reg = <2>;
+				};
+
+				i2c@3 {
+					reg = <3>;
+				};
+			};
+
 			usbphy1: usbphy@8007e000 {
 				status = "okay";
 			};