When create a RSS rule with void action, the error log is "Invalid
input set". This patch fix the issue by adding check for the type of
first actions item.
Fixes: 7615a6895009 ("net/ice: rework for generic flow enabling")
Cc: stable@dpdk.org
Signed-off-by: Shougang Wang <shougangx.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>