pinctrl: cy8c95x0: embed iterator to the for-loop

When we iterate through nports the iterator variable is effectively
being not used outside of the loop. Make it clear by moving its definition
into the for-loop. This makes code cleaner as well.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/20241110210040.18918-6-andy.shevchenko@gmail.com


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