doc: fix utf-8 punctuation, branding, spelling

Fix some stray UTF-8 punctuation and symbol characters, unnecessary
trademark symbols, and some misspellings missed during regular reviews.

Tracked-On: #2712

Signed-off-by: David B. Kinder <david.b.kinder@intel.com>

tools/README.rst

@@ -5,7 +5,7 @@ The open source `Project ACRN`_ defines a device hypervisor reference stack and
 an architecture for running multiple software subsystems, managed securely, on
 a consolidated system by means of a virtual machine manager. It also defines a
 reference framework implementation for virtual device emulation, called the
-“ACRN Device Model”.
+"ACRN Device Model".
 
 This folder holds the source to a number of tools that facilitate the
 management, debugging, profiling, and logging of multi-OS systems based on

tools/acrn-crashlog/README.rst

@@ -83,19 +83,16 @@ Then it will show:
    '/etc/systemd/system.conf.d/40-watchdog.conf'
    '/usr/share/acrn/crashlog/80-coredump.conf' ->
    '/etc/sysctl.d/80-coredump.conf'
-   Created symlink /etc/systemd/system/hprobe.timer → /dev/null.
-   Created symlink /etc/systemd/system/telemd-update-trigger.service →
-   /dev/null.
-   Created symlink /etc/systemd/system/pstore-clean.service → /dev/null.
-   Created symlink /etc/systemd/system/pstore-probe.service → /dev/null.
-   Created symlink /etc/systemd/system/oops-probe.service → /dev/null.
-   Created symlink /etc/systemd/system/klogscanner.service → /dev/null.
-   Created symlink /etc/systemd/system/journal-probe.service → /dev/null.
-   Created symlink /etc/systemd/system/bert-probe.service → /dev/null.
-   Created symlink /etc/systemd/system/multi-user.target.wants/acrnprobe.service
-   → /usr/lib/systemd/system/acrnprobe.service.
-   Created symlink /etc/systemd/system/multi-user.target.wants/usercrash.service
-   → /usr/lib/systemd/system/usercrash.service.
+   Created symlink /etc/systemd/system/hprobe.timer -> /dev/null.
+   Created symlink /etc/systemd/system/telemd-update-trigger.service -> /dev/null.
+   Created symlink /etc/systemd/system/pstore-clean.service -> /dev/null.
+   Created symlink /etc/systemd/system/pstore-probe.service -> /dev/null.
+   Created symlink /etc/systemd/system/oops-probe.service -> /dev/null.
+   Created symlink /etc/systemd/system/klogscanner.service -> /dev/null.
+   Created symlink /etc/systemd/system/journal-probe.service -> /dev/null.
+   Created symlink /etc/systemd/system/bert-probe.service -> /dev/null.
+   Created symlink /etc/systemd/system/multi-user.target.wants/acrnprobe.service -> /usr/lib/systemd/system/acrnprobe.service.
+   Created symlink /etc/systemd/system/multi-user.target.wants/usercrash.service -> /usr/lib/systemd/system/usercrash.service.
    *** Please reboot your system. ***
 
 Follow the hints to reboot the system:

tools/acrn-crashlog/usercrash/README.rst

@@ -72,8 +72,8 @@ Usage
 
    You need to be ``root`` to use the ``debugger``.
 
-Souce Code
-**********
+Source Code
+***********
 
 - client.c : This file is the implementation for client of ``usercrash``, which
   is responsible for delivering the ``usercrash`` event to the server, and