rtw88: coex: update AFH information while in free-run mode

In free run mode, this WLAN info updating is only related to AFH
information, not related to the connection state, which is the current
implementation.
Always update WLAN info in free run mode now.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201126021059.11981-5-pkshih@realtek.com