gpio: pca953x: introduce support for nxp,pcal6408

The NXP PCAL6408 is the 8-bit version of PCAL6416.

Signed-off-by: Nate Drude <nate.d@variscite.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
Nate Drude 2022-09-13 13:24:36 -05:00 • committed by Bartosz Golaszewski
commit 6d50b79051