lx2160: Enable support of EMC2305

Enable support for FAN controller EMC2305 for
LX2160A RDB board.

Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com>
[PK: enable EMC2305 for lx2160rdb]
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>