ARM: dts: i.MX25: Add i2c and spi aliases

This allows to order the i2c and spi devices correctly.
While at it reorder the aliases entries alphabetically.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx25.dtsi

@@ -13,15 +13,21 @@
 
 / {
 	aliases {
+		gpio0 = &gpio1;
+		gpio1 = &gpio2;
+		gpio2 = &gpio3;
+		gpio3 = &gpio4;
+		i2c0 = &i2c1;
+		i2c1 = &i2c2;
+		i2c2 = &i2c3;
 		serial0 = &uart1;
 		serial1 = &uart2;
 		serial2 = &uart3;
 		serial3 = &uart4;
 		serial4 = &uart5;
-		gpio0 = &gpio1;
-		gpio1 = &gpio2;
-		gpio2 = &gpio3;
-		gpio3 = &gpio4;
+		spi0 = &spi1;
+		spi1 = &spi2;
+		spi2 = &spi3;
 		usb0 = &usbotg;
 		usb1 = &usbhost1;
 	};