gpio/mxc: convert gpio-mxc to use basic_mmio_gpio library

The gpio-mxc controller complies with basic_mmio_gpio library.  The
patch convert the driver to use the library.

Signed-off-by: Shawn Guo <[email protected]>
Acked-by: Sascha Hauer <[email protected]>
Signed-off-by: Grant Likely <[email protected]>
2 files changed