nfp: build the flower offload by default

It's reasonable to assume that if user selects to build the NFP
driver all offload capabilities will be enabled by default.
Change the CONFIG_NFP_APP_FLOWER to default to enabled.
Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: NSimon Horman <simon.horman@netronome.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/Kconfig

@@ -29,6 +29,7 @@ config NFP_APP_FLOWER
 	bool "NFP4000/NFP6000 TC Flower offload support"
 	depends on NFP
 	depends on NET_SWITCHDEV
+	default y
 	---help---
 	  Enable driver support for TC Flower offload on NFP4000 and NFP6000.
 	  Say Y, if you are planning to make use of TC Flower offload