move mac68k to supported platforms

Index: plat.html
===================================================================
RCS file: /cvs/www/plat.html,v
retrieving revision 1.112
diff -u -r1.112 plat.html
--- plat.html	14 Mar 2011 18:30:03 -0000	1.112
+++ plat.html	5 Nov 2011 08:54:39 -0000
@@ -70,6 +70,10 @@
 Gdium Liberty, etc.</td>
 </tr>
 <tr>
+<td><a href="mac68k.html"><b>mac68k</b></a></td>
+<td>Motorola 680x0-based Apple Macintosh with MMU</td>
+</tr>
+<tr>
 <td><a href="macppc.html"><b>macppc</b></a></td>
 <td>Apple <i>New World</i> PowerPC-based machines, from the iMac onwards</td>
 </tr>
@@ -124,10 +128,6 @@
 <tr>
 <td><a href="luna88k.html"><b>luna88k</b></a></td>
 <td>Omron LUNA-88K and LUNA-88K2 workstations</td>
-</tr>
-<tr>
-<td><a href="mac68k.html"><b>mac68k</b></a></td>
-<td>Motorola 680x0-based Apple Macintosh with MMU</td>
 </tr>
 <tr>
 <td><a href="palm.html"><b>palm</b></a></td>