[SCSI] net, libfcoe: Add the FCoE Initialization Protocol ethertype

FIP is the FCoE Initialization Protocol and this patch
adds the protocol ethertype to the kernel's list of
ethertypes.

Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>