add missing part from [6013]

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6014 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/brcm-2.6/image b/target/linux/brcm-2.6/image
new file mode 120000 (symlink)
index 0000000..cfda068
--- /dev/null
+++ b/target/linux/brcm-2.6/image
@@ -0,0 +1 @@
+../brcm-2.4/image
\ No newline at end of file