net/ice/base: declare functions as external

net/ice/base: declare functions as external

Remove static of below functions and declare them as external
APIs.

ice_aq_add_vsi
ice_aq_free_vsi
ice_aq_update_vsi
ice_aq_add_lan_txq
ice_init_pkg

So far the purpose is just to sync with kernel driver.
They are reserved for future use.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Reviewed-by: Qiming Yang <qiming.yang@intel.com>
Reviewed-by: Wenzhuo Lu <wenzhuo.lu@intel.com>