[PATCH] wifi: ath12k: add support for collecting firmware log

[Jeff Johnson]

On 1/14/2024 6:37 PM, Baochen Qiang wrote:
> Currently there is no way to collect firmware log because firmware
> does not send it to host. Also host does not handle WMI_DIAG_EVENTID
> which is used by firmware to upload firmware log.
> 
> So add support for it by firstly enabling firmware log upload via a
> QMI message, and secondly processing WMI DIAG event to expose it to
> userspace via trace event.
> 
> This change applies to both WCN7850 and QCN9274.
> 
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
> 
> Signed-off-by: Baochen Qiang <quic_bqiang at quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>