pwm: sti: Free resources only after pwmchip_remove()

Before pwmchip_remove() returns the PWM is expected to be functional. So
remove the pwmchip before disabling the clocks.

Signed-off-by: Uwe Kleine-König <[e-mail]>
Signed-off-by: Thierry Reding <[e-mail]>

drivers/pwm/pwm-sti.c

···
 {
 	struct sti_pwm_chip *pc = platform_get_drvdata(pdev);
 
+	pwmchip_remove(&pc->chip);
 
 	clk_unprepare(pc->pwm_clk);
 	clk_unprepare(pc->cpt_clk);
 
-	return pwmchip_remove(&pc->chip);
+	return 0;
 }
 
 static const struct of_device_id sti_pwm_of_match[] = {