[PATCH, GCC, wwwdocs] Document new Cortex-M23 and Cortex-M33 processors support in ARM backend

[Thomas Preudhomme]

Hi there,

This patch document the newly added support in GCC 7 for Cortex-M23 and 
Cortex-M33 processors [1][2].

[1] http://www.arm.com/products/processors/cortex-m/cortex-m23-processor.php
[2] http://www.arm.com/products/processors/cortex-m/cortex-m33-processor.php

Is this ok for <CVS trunk>?

Best regards,

Thomas
Index: htdocs/gcc-7/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-7/changes.html,v
retrieving revision 1.20
diff -u -r1.20 changes.html
--- htdocs/gcc-7/changes.html	25 Oct 2016 02:04:00 -0000	1.20
+++ htdocs/gcc-7/changes.html	26 Oct 2016 14:05:59 -0000
@@ -316,6 +316,16 @@
        <code>-mcpu=cortex-a73</code> and <code>-mtune=cortex-a73</code>
        options as well as the equivalent target attributes and pragmas.
      </li>
+     <li>
+       The ARM Cortex-M23 processor is now supported via the
+       <code>-mcpu=cortex-m23</code> and <code>-mtune=cortex-m23</code>
+       options.
+     </li>
+     <li>
+       The ARM Cortex-M33 processor is now supported via the
+       <code>-mcpu=cortex-m33</code> and <code>-mtune=cortex-m33</code>
+       options.
+     </li>
    </ul>
 
 <h3 id="avr">AVR</h3>