core199: Ship usb_modeswitch

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

diff --git a/config/rootfiles/core/199/filelists/usb_modeswitch b/config/rootfiles/core/199/filelists/usb_modeswitch
new file mode 120000 (symlink)
index 0000000..acbab6f
--- /dev/null
+++ b/config/rootfiles/core/199/filelists/usb_modeswitch
@@ -0,0 +1 @@
+../../../common/usb_modeswitch
\ No newline at end of file