CVE-2023-54141 wifi: ath11k: Add missing hw_ops->get_ring_selector() for IPQ5018

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: Add missing hwops-getringselector for IPQ5018 During sending data after clients connected, hwops-getringselector will be called. But for IPQ5018, this member isn't set, and the following NULL pointer exception will ...