qcacld-3.0: Fix error handling path of wma_remove_peer

If the wma_remove_peer fails, the caller can still proceed to
start vdev hold request timer for WMA_DELETE_STA_REQ. The Host
driver doesnot stop the timer and this results in page fault
when the timer is expired.

Check the return status of wma_remove_peer and send failure
to the caller of  wma_remove_peer.

Change-Id: I63d0dfefb183cf1a88b1f7abb2686b2dfdc6bd79
CRs-Fixed: 2348248
2 files changed