Why I did it
Prevent from i2c bus to get locked.
How I did it
Add sysfs driver to access ioport.
Command to reset i2c mux:
echo 1 > /sys/devices/platform/as9716_32d_ioport/i2c_mux_rst
Command to bring i2c mux out of reset:
echo 0 > /sys/devices/platform/as9716_32d_ioport/i2c_mux_rst
Signed-off-by: Brandon Chuang <brandon_chuang@edge-core.com>