wireless/atmel: remove time_t usage

[Kalle Valo]

Alexandre Belloni <alexandre.belloni at free-electrons.com> wrote:
> last_qual never really holds a time. It only holds jiffies. Make it the
> same type as jiffies.
> 
> Signed-off-by: Alexandre Belloni <alexandre.belloni at free-electrons.com>

The title should start with "atmel:", I can fix that during commit.

-- 
https://patchwork.kernel.org/patch/9588521/

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