add Steve Gotthardt and Greg White for their work on the Gigabeat port


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11851 a1c6a512-1295-4272-9138-f99709370657
diff --git a/docs/CREDITS b/docs/CREDITS
index 80480ad..43a53bd 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -258,3 +258,5 @@
 Mike Schmitt
 Chris Taylor
 Tobias Langhoff
+Steve Gotthardt
+Greg White