wifi: rtw89: restart hardware to recover firmware if power-save becomes abnormal

wifi: rtw89: restart hardware to recover firmware if power-save becomes abnormal

Somehow power-save related functions get failure, such as failed to
send null packet, or no response form firmware, and then WiFi will
become unstable. Trigger SER function actively to reset firmware/driver
to recover from abnormal states, including

 - firmware failed to ACK for entering PS mode
 - firmware failed to ACK for leaving PS mode
 - check PS H2C command received by firmware fail
 - failed to leave PS state

Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20251021133402.15467-8-pkshih@realtek.com