In lx2160a soc, there are eight i2c controllers, this patch adds i2c
nodes for lx2160a, and the gpio2 nodes on which the i2c4 controller
depends.
Signed-off-by: Chuanhua Han <chuanhua.han@nxp.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>