dt-bindings: pinctrl: cy8c95x0: Update gpio-reserved-ranges

Update maxItems to 60 for gpio-reserved-ranges to allow multiple gpio
reserved ranges.
Add input-enable property to allow configuring a pin as input.
Also update example.

Signed-off-by: Naresh Solanki <naresh.solanki@9elements.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240206112501.715042-1-naresh.solanki@9elements.com


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