Alice Guo authored Oct 09, 2022 and Tom Rini committed Oct 21, 2022

Add gpio driver for ADP5585 I/O Expander Controller. The ADP5585 is a 10
input/output port expander and can be used to increase the number of
I/Os available to a processor.

Signed-off-by: Alice Guo <alice.guo@nxp.com>