don't diff generated firmware files

With the new firmware infrastructure in 2.6.27, some files are generated and shouldn't be
diffed; add these 2 to the "dontdiff" file

Signed-off-by: Arjan van de Ven <arjan@Linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/Documentation/dontdiff b/Documentation/dontdiff
index 881e6dd..2780935 100644
--- a/Documentation/dontdiff
+++ b/Documentation/dontdiff
@@ -5,6 +5,8 @@
 *.css
 *.dvi
 *.eps
+*.fw.gen.S
+*.fw
 *.gif
 *.grep
 *.grp