pwm: imx: Remove if block where the condition is always wrong

The ->remove() callback is only called when probe returned successfully.
In this case the driver data cannot be NULL.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

drivers/pwm/pwm-imx.c

@@ -444,8 +444,6 @@ static int imx_pwm_remove(struct platform_device *pdev)
 	struct imx_chip *imx;
 
 	imx = platform_get_drvdata(pdev);
-	if (imx == NULL)
-		return -ENODEV;
 
 	imx_pwm_clk_disable_unprepare(&imx->chip);