ARM: bcm2835: dt: Fix i2c0 node name

Device tree node names should contain the node's reg property address value.
The i2c0 node was apparently forgotten in commit 25b2f1bd (ARM: bcm2835:
node name unit address cleanup).
Acked-by: NStephen Warren <swarren@wwwdotorg.org>
Signed-off-by: NBaruch Siach <baruch@tkos.co.il>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

arch/arm/boot/dts/bcm2835.dtsi

@@ -113,7 +113,7 @@
 			status = "disabled";
 		};
 
-		i2c0: i2c@20205000 {
+		i2c0: i2c@7e205000 {
 			compatible = "brcm,bcm2835-i2c";
 			reg = <0x7e205000 0x1000>;
 			interrupts = <2 21>;