app/testpmd: add missing autoneg field to set flow control
app/testpmd: add missing autoneg field to set flow control

Following commit 2d95b84aaacb3d2d0bd70367c0530d15e0cbb14e, rte_eth_fc_conf
struct contains a autoneg field that must be set by callers.
Add this parameter to testpmd.

Signed-off-by: David Marchand <f28529695cfa9e3e1eb84e7072aa626af4abb18e@6wind.com>
Acked-by: Thomas Monjalon <ee2fa8b2681c737f775687e475dcbf2028a412f1@6wind.com>

phermansson/dpdk,phermansson/dpdk,phermansson/dpdk,phermansson/dpdk