[PATCH][ARM][wwwdocs] Mention some arm port changes for GCC 6

[Kyrill Tkachov]

Hi all,

A bit belatedly, but here are some arm-related entries for the changes.html 
page for GCC 6.
Is this ok to commit?

Thanks,
Kyrill

Index: htdocs/gcc-6/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-6/changes.html,v
retrieving revision 1.80
diff -U 3 -r1.80 changes.html
--- htdocs/gcc-6/changes.html	27 Apr 2016 13:24:19 -0000	1.80
+++ htdocs/gcc-6/changes.html	28 Apr 2016 09:01:45 -0000
@@ -478,6 +478,14 @@
        <code>armv2,armv2a,armv3,armv3m,armv4</code>.
      </li>
      <li>
+       Support has been added for the ARMv8.1-A architecture through the
+       <code>armv8.1-a</code> and <code>armv8.1-a+crc</code> arguments
+       to the <code>-march</code> command-line option.  This allows access
+       to a number of new ACLE intrinsics.  For details please refer to the
+       <a href=http://infocenter.arm.com/help/topic/com.arm.doc.ihi0053c/IHI0053C_acle_2_0.pdf>
+       documentation</a>.
+     </li>
+     <li>
        The ARM port now supports target attributes and pragmas.  Please
        refer to the <a href="https://gcc.gnu.org/onlinedocs/gcc-6.1.0/gcc/ARM-Function-Attributes.html#ARM-Function-Attributes";>
        documentation</a> for details of available attributes and
@@ -486,12 +494,24 @@
      <li>
        Support has been added for the following processors
        (GCC identifiers in parentheses): ARM Cortex-A32
-       (<code>cortex-a32</code>), ARM Cortex-A35 (<code>cortex-a35</code>).
+       (<code>cortex-a32</code>), ARM Cortex-A35 (<code>cortex-a35</code>),
+       ARM Cortex-R8 (<code>cortex-r8</code>), Qualcomm QDF24xx
+       (<code>qdf24xx</code>).
        The GCC identifiers can be used
        as arguments to the <code>-mcpu</code> or <code>-mtune</code> options,
        for example: <code>-mcpu=cortex-a32</code> or
        <code>-mtune=cortex-a35</code>.
      </li>
+     <li>
+       The ARM port now emits assembly in the Unified format for both ARM and
+       Thumb states.  This doesn't affect the functionality of user-supplied
+       inline assembly constructs.
+     </li>
+     <li>
+       The ARM port now accepts the value <code>armv6kz</code> as an argument
+       to the <code>-march</code>.  The value <code>armv6zk</code> is still
+       supported.
+     </li>
    </ul>
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