Add irqs to rzt2m gpio bindings in order to add interrupt support to rzt2m
gpio driver and adds common gpio node to store interrupt config (irqs are
shared between ports)
Signed-off-by: Jakub Michalski <jmichalski@internships.antmicro.com>
Add Renesas rzt2m gpio driver with basic functionality.
It supports pin mode configuration and writing/reading to/from gpio ports.
Includes dts changes to build blinky sample.
Signed-off-by: Jakub Michalski <jmichalski@internships.antmicro.com>