watchdog: jz4740: Pass device to clk_get

In preparation to switching the jz4740 clk driver to the common clk framework
make sure to pass the device to clk_get().

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/watchdog/jz4740_wdt.c

@@ -177,7 +177,7 @@ static int jz4740_wdt_probe(struct platform_device *pdev)
 		goto err_out;
 	}
 
-	drvdata->rtc_clk = clk_get(NULL, "rtc");
+	drvdata->rtc_clk = clk_get(&pdev->dev, "rtc");
 	if (IS_ERR(drvdata->rtc_clk)) {
 		dev_err(&pdev->dev, "cannot find RTC clock\n");
 		ret = PTR_ERR(drvdata->rtc_clk);