core158: Ship zd1211-firmware

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/config/rootfiles/core/158/filelists/zd1211-firmware b/config/rootfiles/core/158/filelists/zd1211-firmware
new file mode 120000 (symlink)
index 0000000..33985ce
--- /dev/null
+++ b/config/rootfiles/core/158/filelists/zd1211-firmware
@@ -0,0 +1 @@
+../../../common/zd1211-firmware
\ No newline at end of file