[PATCH v2] ath11k: add read variant from SMBIOS for download board data

[Kalle Valo]

Mark Herbert <mark.herbert42 at gmail.com> writes:

> Tried this on Dell XPS 13 9310
>
> Maybe this patch is good for 6855, but 6390 in Dell seems to be killed
> completely with it. Reverting it makes things work again.
>
> [    5.537034] ath11k_pci 0000:72:00.0: chip_id 0x0 chip_family 0xb
> board_id 0xff soc_id 0xffffffff
> [    5.537038] ath11k_pci 0000:72:00.0: fw_version 0x101c06cc
> fw_build_timestamp 2020-06-24 19:50 fw_build_id
> [    5.537236] ath11k_pci 0000:72:00.0: failed to fetch board data for
> bus=pci,qmi-chip-id=0,qmi-board-id=255,variant=DE_1901 from
> ath11k/QCA6390/hw2.0/board-2.bin
> [    5.537255] ath11k_pci 0000:72:00.0: failed to fetch board-2.bin or
> board.bin from QCA6390/hw2.0
> [    5.537257] ath11k_pci 0000:72:00.0: qmi failed to fetch board file: -2
> [    5.537258] ath11k_pci 0000:72:00.0: failed to load board data file: -2

Doh, I didn't realise that. I only tested this on my NUC testbox, I
should have tested this on my XPS 13 9310 as well. Thanks for the
report!

I think I need to revert this and rethink how to handle the backwards
compatibility.

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