CVE-2025-71297 wifi: rtw88: 8822b: Avoid WARNING in rtw8822b_config_trx_mode()

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw88: 8822b: Avoid WARNING in rtw8822bconfigtrxmode rtw8822bsetantenna can be called from userspace when the chip is powered off. In that case a WARNING is triggered in rtw8822bconfigtrxmode because trying to read the RF...