UPSTREAM: drivers: net: stmmac: use setup_timer() helper.

Use setup_timer function instead of initializing timer with the
    function and data fields.

Signed-off-by: Allen Pais <allen.lkml@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit 997decfb
https://github.com/torvalds/linux.git

)
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Khasim Syed Mohammed <khasim.mohammed@linaro.org>

Change-Id: I0c88889d73cb322910e621c254a4c41c37dfb36c