staging: ozwpan: Use kernel list function for managing interface list.

Managing interface list, is easier if we use kernel list_* API
than managing it on our own.

Signed-off-by: Rupesh Gujare <rupesh.gujare@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed