kernel/nexus: remove the cpio archive memory carve-out

Change-Id: If6ce332e33e6102353187b8e66116d7089fcf09c

tools/dts/nexus.dts

diff --git a/tools/dts/nexus.dts b/tools/dts/nexus.dts
index 975a4c6..dd8b14f 100644
--- a/tools/dts/nexus.dts
+++ b/tools/dts/nexus.dts
@@ -41,7 +41,7 @@
     #address-cells = <1>;
     #size-cells = <1>;
     device_type = "memory";
-    reg = <0x50000000 0x380000>;
+    reg = <0x50000000 0x400000>;
   };
 
   soc {