A mistake was made in level trigger register configuration. Correct it.

Fixes: 447976ab ("pinctrl: starfive: Add StarFive JH7110 sys controller driver")
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
Link: https://lore.kernel.org/20240812070108.100923-1-hal.feng@starfivetech.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>