PM / devfreq: Remove redundant platform_set_drvdata() in exynos5_bus.c

Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>

drivers/devfreq/exynos/exynos5_bus.c

@@ -419,7 +419,6 @@ static int exynos5_busfreq_int_probe(struct platform_device *pdev)
 
 err_devfreq_add:
 	devfreq_remove_device(data->devfreq);
-	platform_set_drvdata(pdev, NULL);
 err_opp_add:
 	clk_put(data->int_clk);
 err_clock:
@@ -437,7 +436,6 @@ static int exynos5_busfreq_int_remove(struct platform_device *pdev)
 	devfreq_remove_device(data->devfreq);
 	regulator_put(data->vdd_int);
 	clk_put(data->int_clk);
-	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }