iRiver: added support for hold-button on main unit and remote control


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6320 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/CREDITS b/docs/CREDITS
index e2d75c6..bc1d231 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -105,3 +105,4 @@
 Andy Young
 Alexandre Bourget
 Richard S. La Charité III
+Christian Gmeiner