rtlwifi: btcoex: 21a 2ant: set coex table and tdma when bt inquiry

rtlwifi: btcoex: 21a 2ant: set coex table and tdma when bt inquiry

Instead of just setting the coex table directly, we check if the
wifi is under some important activity (scanning|roaming|linking) and
mark the packets as high priority in that case.

Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Pkshih <pkshih@realtek.com>
Cc: Birming Chiu <birming@realtek.com>
Cc: Shaofu <shaofu@realtek.com>
Cc: Steven Ting <steventing@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>