qcacld-3.0: Rename some ucfg APIs of PMO

To keep names of PMO ucfg APIs consistent, change some of them from
"pmo_ucfg_xxx" to "ucfg_pmo_xxx".

Change-Id: I77165be8c5c408c3f91f84a477c15be1c6ea15e8
CRs-Fixed: 2334109
15 files changed