gitignore: ignore more generated files

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/.gitignore b/scripts/.gitignore
index b46d68b..a234e52 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -1,4 +1,7 @@
+#
+# Generated files
+#
 conmakehash
 kallsyms
 pnmtologo
-
+bin2c