spi: omap2-mcspi: Remove the call to platform_set_drvdata(pdev, NULL)

Remove the call of platform_set_drvdata(pdev, NULL) as they are not
needed anymore.
Signed-off-by: NShubhrajyoti D <shubhrajyoti@ti.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

drivers/spi/spi-omap2-mcspi.c

@@ -1240,7 +1240,6 @@ static int __devinit omap2_mcspi_probe(struct platform_device *pdev)
 	kfree(mcspi->dma_channels);
 free_master:
 	kfree(master);
-	platform_set_drvdata(pdev, NULL);
 	return status;
 }
 
@@ -1259,7 +1258,6 @@ static int __devexit omap2_mcspi_remove(struct platform_device *pdev)
 
 	spi_unregister_master(master);
 	kfree(dma_channels);
-	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }