xtensa: dc233c: Fix build warning in DTS on leading zeros

Leading zeros removed from unit name.

Signed-off-by: Dominik Ermel <[email protected]>

Author: de-nordic

dts/xtensa/dc233c.dtsi

@@ -22,7 +22,7 @@
 	 * Although RAM is of size 128MB (0x08000000), limit this to 16MB so
 	 * fewer L2 page table entries are needed when MMU is enabled.
 	 */
-	sram0: memory@00000000 {
+	sram0: memory@0 {
 		device_type = "memory";
 		compatible = "mmio-sram";
 		reg = <0x00000000 0x01000000>;