Core Update 173: Ship knot

Note to self: Does filesystem-cleanup catch this correctly?

Signed-off-by: Peter Müller <peter.mueller@ipfire.org>

diff --git a/config/rootfiles/core/173/filelists/knot b/config/rootfiles/core/173/filelists/knot
new file mode 120000 (symlink)
index 0000000..28e96f8
--- /dev/null
+++ b/config/rootfiles/core/173/filelists/knot
@@ -0,0 +1 @@
+../../../common/knot
\ No newline at end of file