pinctrl: tb10x: Use devm_pinctrl_register() for pinctrl registration

Use devm_pinctrl_register() for pin control registration.

Signed-off-by: Laxman Dewangan <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/pinctrl-tb10x.c

···
 		}
 	}
 
-	state->pctl = pinctrl_register(&tb10x_pindesc, dev, state);
+	state->pctl = devm_pinctrl_register(dev, &tb10x_pindesc, state);
 	if (IS_ERR(state->pctl)) {
 		dev_err(dev, "could not register TB10x pin driver\n");
 		ret = PTR_ERR(state->pctl);
···
 {
 	struct tb10x_pinctrl *state = platform_get_drvdata(pdev);
 
-	pinctrl_unregister(state->pctl);
 	mutex_destroy(&state->mutex);
 
 	return 0;