[CPUFREQ] powernow-k8: Update copyright, maintainer and documentation information

/*

 *   (c) 2003-2010 Advanced Micro Devices, Inc.

 *   (c) 2003-2012 Advanced Micro Devices, Inc.

 *  Your use of this code is subject to the terms and conditions of the

 *  GNU general public license version 2. See "COPYING" or

 *  http://www.gnu.org/licenses/gpl.html

 *

 *  Support : mark.langsdorf@amd.com

 *  Maintainer:

 *  Andreas Herrmann <andreas.herrmann3@amd.com>

 *

 *  Based on the powernow-k7.c module written by Dave Jones.

 *  (C) 2003 Dave Jones on behalf of SuSE Labs

 *  Valuable input gratefully received from Dave Jones, Pavel Machek,

 *  Dominik Brodowski, Jacob Shin, and others.

 *  Originally developed by Paul Devriendt.

 *  Processor information obtained from Chapter 9 (Power and Thermal Management)

 *  of the "BIOS and Kernel Developer's Guide for the AMD Athlon 64 and AMD

 *  Opteron Processors" available for download from www.amd.com

 *

 *  Tables for specific CPUs can be inferred from

 *     http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30430.pdf

 *  Processor information obtained from Chapter 9 (Power and Thermal

 *  Management) of the "BIOS and Kernel Developer's Guide (BKDG) for

 *  the AMD Athlon 64 and AMD Opteron Processors" and section "2.x

 *  Power Management" in BKDGs for newer AMD CPU families.

 *

 *  Tables for specific CPUs can be inferred from AMD's processor

 *  power and thermal data sheets, (e.g. 30417.pdf, 30430.pdf, 43375.pdf)

 */

#include <linux/kernel.h>