net/i40e: fix RSS key initialization
net/i40e: fix RSS key initialization

The assignment should be done after initialization, or it will be zero.

Fixes: 264b23e3d2c1 ("net/i40e: add parameter check for RSS flow init")

Signed-off-by: Wei Zhao <55941fd0e75edbdf274af2cfac8f147525678f08@intel.com>
Tested-by: Yuan Peng <8f7613f20c127e29e1ae4d11e8d64be87217a51b@intel.com>
Acked-by: Qi Zhang <9e9e58ffa71a29bb7b87766b362515be648fcbe0@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk