update svn:ignore and .gitignore

SVN-Revision: 11381

.gitignore

@@ -1,11 +1,11 @@
-/.config*
+/dl
+/.config
+/.config.old
 /bin
-/build_*
+/build_dir
-/toolchain_build_*
+/staging_dir
-/staging_dir*
 /tmp
-/dl
-/tool_build
 /feeds
+/files
 /package/feeds
 /package/openwrt-packages