This will free memory automatically during driver unloading.
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/21157
Signed-off-by: Robert Marko <robimarko@gmail.com>
(cherry picked from commit a4011797c2fb160a696edfc29993c78ab5edc3d1)