pinctrl: merrifield: Use BUFCFG_PINMODE_GPIO in ->pin_dbg_show()

Use explicit comparison to BUFCFG_PINMODE_GPIO instead of implying it.

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

drivers/pinctrl/intel/pinctrl-merrifield.c

@@ -549,7 +549,7 @@ static void mrfld_pin_dbg_show(struct pinctrl_dev *pctldev, struct seq_file *s,
 	}
 
 	mode = (value & BUFCFG_PINMODE_MASK) >> BUFCFG_PINMODE_SHIFT;
-	if (!mode)
+	if (mode == BUFCFG_PINMODE_GPIO)
 		seq_puts(s, "GPIO ");
 	else
 		seq_printf(s, "mode %d ", mode);