Documentation: PM: Unify copyright notices

Unify copyright notices in the .rst files under
Documentation/driver-api/pm and Documentation/admin-quide/pm.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

Documentation/admin-guide/pm/cpufreq.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 .. |struct cpufreq_policy| replace:: :c:type:`struct cpufreq_policy <cpufreq_policy>`
 .. |intel_pstate| replace:: :doc:`intel_pstate <intel_pstate>`
@@ -7,9 +8,10 @@
 CPU Performance Scaling
 =======================
 
-::
+:Copyright: |copy| 2017 Intel Corporation
+
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
- Copyright (c) 2017 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 The Concept of CPU Performance Scaling
 ======================================

Documentation/admin-guide/pm/cpuidle.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 .. |struct cpuidle_state| replace:: :c:type:`struct cpuidle_state <cpuidle_state>`
 .. |cpufreq| replace:: :doc:`CPU Performance Scaling <cpufreq>`
@@ -7,9 +8,10 @@
 CPU Idle Time Management
 ========================
 
-::
+:Copyright: |copy| 2018 Intel Corporation
+
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
- Copyright (c) 2018 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 Concepts
 ========

Documentation/admin-guide/pm/intel_pstate.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 ===============================================
 ``intel_pstate`` CPU Performance Scaling Driver
 ===============================================
 
-::
+:Copyright: |copy| 2017 Intel Corporation
 
- Copyright (c) 2017 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 
 General Information

Documentation/admin-guide/pm/sleep-states.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 ===================
 System Sleep States
 ===================
 
-::
+:Copyright: |copy| 2017 Intel Corporation
+
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
- Copyright (c) 2017 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 Sleep states are global low-power states of the entire system in which user
 space code cannot be executed and the overall system activity is significantly

Documentation/admin-guide/pm/strategies.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 ===========================
 Power Management Strategies
 ===========================
 
-::
+:Copyright: |copy| 2017 Intel Corporation
+
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
- Copyright (c) 2017 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 The Linux kernel supports two major high-level power management strategies.
 

Documentation/driver-api/pm/cpuidle.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 .. |struct cpuidle_governor| replace:: :c:type:`struct cpuidle_governor <cpuidle_governor>`
 .. |struct cpuidle_device| replace:: :c:type:`struct cpuidle_device <cpuidle_device>`
@@ -9,9 +10,9 @@
 CPU Idle Time Management
 ========================
 
-::
+:Copyright: |copy| 2019 Intel Corporation
 
- Copyright (c) 2019 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 
 CPU Idle Time Management Subsystem

Documentation/driver-api/pm/devices.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 .. |struct dev_pm_ops| replace:: :c:type:`struct dev_pm_ops <dev_pm_ops>`
 .. |struct dev_pm_domain| replace:: :c:type:`struct dev_pm_domain <dev_pm_domain>`
@@ -14,11 +15,12 @@
 Device Power Management Basics
 ==============================
 
-::
+:Copyright: |copy| 2010-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
+:Copyright: |copy| 2010 Alan Stern <stern@rowland.harvard.edu>
+:Copyright: |copy| 2016 Intel Corporation
+
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
- Copyright (c) 2010-2011 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
- Copyright (c) 2010 Alan Stern <stern@rowland.harvard.edu>
- Copyright (c) 2016 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 Most of the code in Linux is device drivers, so most of the Linux power
 management (PM) code is also driver-specific.  Most drivers will do very

Documentation/driver-api/pm/notifiers.rst

 .. SPDX-License-Identifier: GPL-2.0
+.. include:: <isonum.txt>
 
 =============================
 Suspend/Hibernation Notifiers
 =============================
 
-::
+:Copyright: |copy| 2016 Intel Corporation
+
+:Author: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
- Copyright (c) 2016 Intel Corp., Rafael J. Wysocki <rafael.j.wysocki@intel.com>
 
 There are some operations that subsystems or drivers may want to carry out
 before hibernation/suspend or after restore/resume, but they require the system