Add missing ndo_xdp_xmit bit to xdp_features capability flag.

Fixes: 66c0e13a ("drivers: net: turn on XDP features")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/8e3747018f0fd0b5d6e6b9aefe8d9448ca3a3288.1676195726.git.lorenzo@kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>