pinctrl: cy8c95x0: Use 'default' in all switch-cases (part 2)

Move the default values to the 'default' case in the switches.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220908142134.59068-1-andriy.shevchenko@linux.intel.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-cy8c95x0.c

@@ -357,9 +357,9 @@ static bool cy8c95x0_volatile_register(struct device *dev, unsigned int reg)
 	case CY8C95X0_DRV_PP_SLOW:
 	case CY8C95X0_DRV_HIZ:
 		return true;
+	default:
+		return false;
 	}
-
-	return false;
 }
 
 static bool cy8c95x0_precious_register(struct device *dev, unsigned int reg)