ARM: tegra: Add reg property to Tegra20 EMC table device-tree nodes

The reg property is now specified for the emc-tables nodes in the Tegra20
device-tree binding. Add reg property to the EMC table device-tree nodes
of Tegra20 board device-trees in order to silence dt_binding_check warning
about the missing property.
Signed-off-by: NDmitry Osipenko <digetx@gmail.com>
Signed-off-by: NThierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra20-acer-a500-picasso.dts

@@ -1088,6 +1088,7 @@
 
 		emc-tables@0 {
 			nvidia,ram-code = <0>; /* elpida-8gb */
+			reg = <0>;
 
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -1185,6 +1186,7 @@
 
 		emc-tables@1 {
 			nvidia,ram-code = <1>; /* elpida-4gb */
+			reg = <1>;
 
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -1282,6 +1284,7 @@
 
 		emc-tables@2 {
 			nvidia,ram-code = <2>; /* hynix-8gb */
+			reg = <2>;
 
 			#address-cells = <1>;
 			#size-cells = <0>;
@@ -1379,6 +1382,7 @@
 
 		emc-tables@3 {
 			nvidia,ram-code = <3>; /* hynix-4gb */
+			reg = <3>;
 
 			#address-cells = <1>;
 			#size-cells = <0>;

arch/arm/boot/dts/tegra20-paz00.dts

@@ -318,6 +318,7 @@
 			nvidia,ram-code = <0x0>;
 			#address-cells = <1>;
 			#size-cells = <0>;
+			reg = <0>;
 
 			emc-table@166500 {
 				reg = <166500>;