[PATCH] Added support for pogoplug e02 (pink/gray)

The pogoplug differs from the SheevaPlug only by a
few details, but especially in the led assignments.
This patch was tested under Gentoo Linux.
A version of this patch was included in Arch Linux
on Arm since Jun 2014:
https://github.com/archlinuxarm/PKGBUILDs/commit/250c2f0aa6ffe66c0ebda61efaa356e5dc709cc7
A similar patch is available for OpenWrt:
https://dev.openwrt.org/browser/trunk/target/linux/kirkwood/patches-3.14/150-pogoplug_e02.patch

Suggested-by: Felix Kaechele <redacted>
Suggested-by: Oleg Rakhmanov <redacted>
Signed-off-by: Christoph Junghans <redacted>
---
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 arch/arm/boot/dts/Makefile                         |   1 +
 arch/arm/boot/dts/kirkwood-pogo_e02.dts            | 114 +++++++++++++++++++++
 3 files changed, 116 insertions(+)
 create mode 100644 arch/arm/boot/dts/kirkwood-pogo_e02.dts

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index ac7269f..e5f58c6 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt

@@ -32,6 +32,7 @@ cdns	Cadence Design Systems Inc.
 chrp	Common Hardware Reference Platform
 chunghwa	Chunghwa Picture Tubes Ltd.
 cirrus	Cirrus Logic, Inc.
+cloudengines	Cloud Engines, Inc.
 cortina	Cortina Systems, Inc.
 crystalfontz	Crystalfontz America, Inc.
 dallas	Maxim Integrated Products (formerly Dallas Semiconductor)

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile