pinctrl: cy8c95x0: Align function names in cy8c95x0_pmxops

Align the function names in the cy8c95x0_pmxops() to follow
the struct pinmux_ops members naming schema.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220916205450.86278-3-andriy.shevchenko@linux.intel.com


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