net: davinci_emac: Free clock after checking the frequency

We only use clk_get() to get the frequency, the rest is done by
the runtime PM calls. Let's free the clock too.

Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/ti/davinci_emac.c

@@ -1894,6 +1894,7 @@ static int davinci_emac_probe(struct platform_device *pdev)
 		return -EBUSY;
 	}
 	emac_bus_frequency = clk_get_rate(emac_clk);
+	devm_clk_put(&pdev->dev, emac_clk);
 
 	/* TODO: Probe PHY here if possible */