ath10k: fix debug cal data file

[Kalle Valo]

Nikolay Martynov <mar.kolya at gmail.com> wrote:
> It got broken by 0b8e3c4ca29fe2c0efd3d41a76e34a657b9f17a4
> 
> Signed-off-by: Nikolay Martynov <mar.kolya at gmail.com>

Actually Marty's patch fixed this in a better way so I actually took that
instead:

f67b107d4ced ath10k: cache calibration data when the core is stopped

-- 
https://patchwork.kernel.org/patch/9340953/

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