core186: add collectd to updater

Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>

diff --git a/config/rootfiles/core/186/filelists/collectd b/config/rootfiles/core/186/filelists/collectd
new file mode 120000 (symlink)
index 0000000..871b32f
--- /dev/null
+++ b/config/rootfiles/core/186/filelists/collectd
@@ -0,0 +1 @@
+../../../common/collectd
\ No newline at end of file