pinctrl: nomadik:remove unneeded variable

ret is unneeded, just return 0.

Signed-off-by: Ding Xiang <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/nomadik/pinctrl-nomadik.c

···
 
 static int nmk_dt_pin_config(int index, int val, unsigned long *config)
 {
-	int ret = 0;
-
 	if (nmk_cfg_params[index].choice == NULL)
 		*config = nmk_cfg_params[index].config;
 	else {
···
 				nmk_cfg_params[index].choice[val];
 		}
 	}
-	return ret;
+	return 0;
 }
 
 static const char *nmk_find_pin_name(struct pinctrl_dev *pctldev, const char *pin_name)