[][MAC80211][hnat][Fix patch conflict issue]

[Description]
Fix patch conflict issue.

The patch conflict occurs due to the addition of a new variable in the
mtk_open() function in the following patch.
  - https://git01.mediatek.com/plugins/gitiles/openwrt/feeds/mtk-openwrt-feeds/+/32798b65fd74f60d36c820905642d22e01f4e99b

[Release-log]
N/A


Change-Id: I527699764ec54e02b525646872d7d7447d2a00cd
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/9179960
3 files changed