ARM: sunxi: rename device tree source files

This is the rename portion of "ARM: sunxi: Change device tree naming
scheme for sunxi" that were missed when the patch was applied.

Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/boot/dts/sun5i.dtsi

@@ -1,20 +0,0 @@
-/*
- * Copyright 2012 Maxime Ripard
- *
- * Maxime Ripard <maxime.ripard@free-electrons.com>
- *
- * The code contained herein is licensed under the GNU General Public
- * License. You may obtain a copy of the GNU General Public License
- * Version 2 or later at the following locations:
- *
- * http://www.opensource.org/licenses/gpl-license.html
- * http://www.gnu.org/copyleft/gpl.html
- */
-
-/include/ "sunxi.dtsi"
-
-/ {
-	memory {
-		reg = <0x40000000 0x20000000>;
-	};
-};