Added <rte_cycles.h> inclusion, was not included on some
building setups (armv8).
Fixes: 71ab2d64723c ("net/mlx5: fix VXLAN port registration race condition")
Cc: stable@dpdk.org
Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>