ARM: tegra: fix invalid unit-address in tegra*.dtsi

Unit addresses, whilst written in hex, don't contain a 0x prefix.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/tegra20-seaboard.dts

@@ -539,7 +539,7 @@ pmc {
 		nvidia,invert-interrupt;
 	};
 
-	memory-controller@0x7000f400 {
+	memory-controller@7000f400 {
 		emc-table@190000 {
 			reg = <190000>;
 			compatible = "nvidia,tegra20-emc-table";

arch/arm/boot/dts/tegra20.dtsi

@@ -170,7 +170,7 @@ pmc {
 		reg = <0x7000e400 0x400>;
 	};
 
-	memory-controller@0x7000f000 {
+	memory-controller@7000f000 {
 		compatible = "nvidia,tegra20-mc";
 		reg = <0x7000f000 0x024
 		       0x7000f03c 0x3c4>;
@@ -183,7 +183,7 @@ gart {
 		       0x58000000 0x02000000>;	/* GART aperture */
 	};
 
-	memory-controller@0x7000f400 {
+	memory-controller@7000f400 {
 		compatible = "nvidia,tegra20-emc";
 		reg = <0x7000f400 0x200>;
 		#address-cells = <1>;