FROMLIST: wifi: mt76: mt7921: fix a potential scan no APs

In multi-channel scenarios, the granted channel must be aborted before
station remove. Otherwise, the firmware will be put into a wrong state,
resulting in have chance to make subsequence scan no APs.
With this patch, the granted channel will be always aborted before
station remove.

Signed-off-by: Quan Zhou <quan.zhou@mediatek.com>
Tested-by: David Ruth <druth@chromium.org>
Reviewed-by: David Ruth <druth@chromium.org>
(am from https://patchwork.kernel.org/patch/13736564/)
(also found at https://lore.kernel.org/r/1ac1ae779db86d4012199a24ea2ca74050ed4af6.1721300411.git.quan.zhou@mediatek.com

)

TEST=build on cherry
BUG=b:352477466
UPSTREAM-TASK=b:354848878
TEST=fix a potential scan no APs

Change-Id: I00a4993cb096c73762fbba890996e17ed3510598
Signed-off-by: Sean Wang <objelf@gmail.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/5856055


Reviewed-by: Sean Paul <sean@poorly.run>
Reviewed-by: Jintao Lin <jintaolin@chromium.org>
Tested-by: Jintao Lin <jintaolin@chromium.org>
Commit-Queue: Jintao Lin <jintaolin@chromium.org>
Signed-off-by: Mateusz Urbańczyk <urbanczyk@google.com>