gcc-14: mark amdgcn fiji deprecated


diff --git a/htdocs/gcc-14/changes.html b/htdocs/gcc-14/changes.html
index c817dde4..a20499e9 100644
--- a/htdocs/gcc-14/changes.html
+++ b/htdocs/gcc-14/changes.html
@@ -178,6 +178,21 @@ a work-in-progress.</p>
 
 <!-- <h3 id="aarch64">AArch64</h3> -->
 
+<h3 id="amdgcn">AMD Radeon (GCN)</h3>
+
+<ul>
+  <li>The default device architecture is now <code>gfx900</code> (Vega).</li>
+  <li>
+    Fiji (gfx803) device support is now deprecated and will be removed from
+    a future release.  The default compiler configuration no longer uses Fiji
+    as the default device, and no longer includes the Fiji libraries.  Both can
+    be restored by configuring with
+    <a href="https://gcc.gnu.org/install/specific.html#amdgcn-x-amdhsa">
+      <code>--with-arch=fiji</code>
+    </a>.
+  </li>
+</ul>
+
 <!-- <h3 id="arc">ARC</h3> -->
 
 <!-- <h3 id="arm">arm</h3> -->