ath11k and vfio-pci support

[James Prestwood]

Hi Baochen,

I guess you got this output when qemu/ath11k is not running, either qemu 
not started or ath11k module not loaded, right? Since MSI is not enabled 
in this output.
>
> Sorry I should have made it clear:
> step1: start qemu and load ath11k without changing anything, then you 
> get those errors;
> step2: keep qemu running and ath11k there, don't unload it. Then check 
> lspci output in host to get the MSI vector.
> step3: Back in qemu, hard code MSI vector to the one you get in step2, 
> then rebuild and reload ath11k.
>
Thank you for the clarification, this worked like a charm!

Thanks,

James