commit 38bd83f0 upstream.

Since ndev->driver_data is allocated by devm_kzalloc(), we do not
need the inappropriate kfree to free it in driver's remove function.
Freeing will trigger when driver unloads.
Acked-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Firo Yang <firogm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>