qcacmn: Add cdp interface APIs to get/update dp stats

Add CDP API's for following:
a. get peer stats
b. reset peer stats
c. get vdev stats
d. update pdev stats
e. reset ald stats

Change-Id: Id6884dcab2eaf9227027d227b6c68bbff9dbb7f6
CRs-Fixed: 2283286
2 files changed