pinctrl: cy8c95x0: Enable regmap locking for debug

When regmap locking is disabled, debugfs is also disabled.
Enable locking for debug when CONFIG_DEBUG_PINCTRL is set.

Fixes: f71aba33 ("pinctrl: cy8c95x0: Use single I2C lock")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/20250203131506.3318201-4-andriy.shevchenko@linux.intel.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>