qcacld-3.0: Add HDD flow pool map/unmap for policy manger

Add HDD flow pool map and unmap functions. These are registered
with the policy manager (via CDS) so that lithium_dp vdev flow pools are
created/deleted when vdev become active/not-active under the control of
the policy manager

Change-Id: I1ff6b3bafa78df68fbf9a221ac0d001bd5a06d8d
CRs-Fixed: 2240815
2 files changed