net/ice/base: fix flow director VSI count

net/ice/base: fix flow director VSI count

Flow director keeps a list of VSIs for each flow type (TCP4, UDP6, etc.)
This list varies in length depending on the number of traffic classes
(ADQ). This patch uses the define of max TCs to calculate the size of
the VSI array.

Fixes: bd984f155f49 ("net/ice/base: support FDIR")
Cc: stable@dpdk.org
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Leyi Rong <leyi.rong@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>