pinctrl: aw9523: fix can_sleep flag for GPIO chip

The GPIO expander is connected via I2C, thus the can_sleep flag has to
be set to true. This fixes spurious "scheduling while atomic" bugs
in the kernel ringbuffer.

Signed-off-by: David Bauer <mail@david-bauer.net>
Signed-off-by: Milan Krstic <milan.krstic@gmail.com>
Link: https://lore.kernel.org/20250703143039.5809-1-milan.krstic@gmail.com


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