[PATCH][wwwdocs] Mention Ampere eMAG support in GCC9 changes.html

[Christoph Müllner]

This patch adds "Ampere eMAG" to the list of new supported AArch64 cores
in changes.html for GCC 9.

Ok to commit to CVS?

Thanks,
Christoph

--- htdocs/gcc-9/changes.html.orig      2018-11-26 20:40:38.069556986 +0100
+++ htdocs/gcc-9/changes.html   2018-11-26 20:40:44.620096365 +0100
@@ -144,6 +144,7 @@
     <ul>
        <li>Arm Cortex-A76 (<code>cortex-a76</code>).</li>
        <li>Arm Cortex-A55/Cortex-A76 DynamIQ big.LITTLE 
(<code>cortex-a76.cortex-a55</code>).</li>
+       <li>Ampere Computing eMAG (<code>emag</code>).</li>
     </ul>
     The GCC identifiers can be used
     as arguments to the <code>-mcpu</code> or <code>-mtune</code> options,