sfc_ef100: add EF100 to NIC-revision enumeration

Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/sfc/nic_common.h

@@ -21,6 +21,7 @@ enum {
 	 */
 	EFX_REV_SIENA_A0 = 3,
 	EFX_REV_HUNT_A0 = 4,
+	EFX_REV_EF100 = 5,
 };
 
 static inline int efx_nic_rev(struct efx_nic *efx)