wifi: rtw89: coex: Still show hardware grant signal info even Wi-Fi is PS

This can help to debug the grant signal and antenna path control issue
during Wi-Fi power saving mode.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231218061341.51255-6-pkshih@realtek.com