net: ethernet: ti: cpsw: remove clk var from priv
There is no need to hold link to clk, it's used only once while probe. Reviewed-by: NMugunthan V N <mugunthanvnm@ti.com> Reviewed-by: NGrygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: NIvan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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