netdev_features: Fold NETIF_F_ALL_TSO into NETIF_F_GSO_SOFTWARE

This patch folds NETIF_F_ALL_TSO into the bitmask for NETIF_F_GSO_SOFTWARE.
The idea is to avoid duplication of defines since the only difference
between the two was the GSO_UDP bit.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>