qcacmn: Update comments in scm_req_update_concurrency_params

Update the commment sections in function
scm_req_update_concurrency_params and
wlan_util_get_mode_specific_peer_count.

Change-Id: I076beddacb6efa10f78a1d850f9b74886e9cdcdc
CRs-Fixed: 2439552
3 files changed