MFC r347300:
Do not add IFM_10G_LR and IFM_40G_ER4 to supported media types by default in
mlx5en(4).
IFM_10G_LR and IFM_40G_ER4 media should be added only if the device
has the needed capability bit set for it.
Submitted by: slavash@
Sponsored by: Mellanox Technologies