i2c: mxc_i2c: Convert to use livetree API for fdt access

Convert to using livetree API functions.

Without this if livetree is enabled (OF_LIVE) the mxc-i2c
driver will fail to support scl-gpios and sda-gpios for
i2c bus recovery.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
1 file changed