mt76: mt7615: reset token when mac_reset happens

stable inclusion
from stable-5.10.21
commit aec5719681405af21102c2407b01f83ed19e9833
bugzilla: 50609

--------------------------------

[ Upstream commit a6275e93 ]

Reset token in mt7615_mac_reset_work() to avoid possible leakege.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Chen Jun <chenjun102@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>