[wwwdocs] gcc-9/changes.html - Mention new OpenRISC backend

[Stafford Horne]

Hello,

I was reading through some things and found this was missing.

As before, I don't seem to have CVS access, if its OK and someone can commit it
would be helpful.

-Stafford

Index: htdocs/gcc-9/changes.html
===================================================================
RCS file: /cvs/gcc/wwwdocs/htdocs/gcc-9/changes.html,v
retrieving revision 1.56
diff -u -r1.56 changes.html
--- htdocs/gcc-9/changes.html	1 Apr 2019 14:55:53 -0000	1.56
+++ htdocs/gcc-9/changes.html	2 Apr 2019 03:59:42 -0000
@@ -827,6 +827,13 @@
 
 <!-- <h3 id="nvptx">NVPTX</h3> -->
 
+<h3 id="or1k">OpenRISC</h3>
+<ul>
+  <li>
+    A new back end targeting OpenRISC processors has been contributed to GCC.
+  </li>
+</ul>
+
 <!-- <h3 id="hppa">PA-RISC</h3> -->
 
 <!-- <h3 id="powerpc">PowerPC / PowerPC64 / RS6000</h3> -->