add .gitignore files

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/.gitignore b/include/.gitignore
new file mode 100644
index 0000000..f0ce546
--- /dev/null
+++ b/include/.gitignore
@@ -0,0 +1,6 @@
+/config
+
+/applet_tables.h
+/autoconf.h
+/bbconfigopts.h
+/usage_compressed.h