ARM: dts: bcm2835: fix i2c0 pins

According to the BCM2835 ARM Peripherals document i2c0 doesn't map to pins 32,
34 but to 28, 29.

Fixes: 21ff843931b ("ARM: dts: bcm283x: Define standard pinctrl groups in the gpio node.")
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Eric Anholt <eric@anholt.net>

arch/arm/boot/dts/bcm283x.dtsi

@@ -198,8 +198,8 @@
 				brcm,pins = <0 1>;
 				brcm,function = <BCM2835_FSEL_ALT0>;
 			};
-			i2c0_gpio32: i2c0_gpio32 {
-				brcm,pins = <32 34>;
+			i2c0_gpio28: i2c0_gpio28 {
+				brcm,pins = <28 29>;
 				brcm,function = <BCM2835_FSEL_ALT0>;
 			};
 			i2c0_gpio44: i2c0_gpio44 {