ASoC: davinci: don't use clock names

clock name strings are no longer passed on platform_data.  Instead,
we rely entirely on struct device and clkdev to find the right clock.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/davinci/davinci-i2s.c

@@ -528,7 +528,7 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 		goto err_release_region;
 	}
 
-	dev->clk = clk_get(&pdev->dev, pdata->clk_name);
+	dev->clk = clk_get(&pdev->dev, NULL);
 	if (IS_ERR(dev->clk)) {
 		ret = -ENODEV;
 		goto err_free_mem;

sound/soc/davinci/davinci-mcasp.c

@@ -764,7 +764,7 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
 	}
 
 	pdata = pdev->dev.platform_data;
-	dev->clk = clk_get(&pdev->dev, pdata->clk_name);
+	dev->clk = clk_get(&pdev->dev, NULL);
 	if (IS_ERR(dev->clk)) {
 		ret = -ENODEV;
 		goto err_release_region;