RGPIO model on RT1180 is same with igpio, however,
current driver can't support.
Update gpio driver to support gpio pad control
Signed-off-by: Lucien Zhao <lucien.zhao@nxp.com>
Add RGPIO gpio driver. This driver is used for i.MX93 and i.MX8ULP.
GPIO pinctrl, read/write and interrupt is supported. Runtime mmio
configuration is enabled, so no need for region definition in
mimx9/mmu_region.c
Signed-off-by: Chekhov Ma <chekhov.ma@nxp.com>
