qcacld-3.0: Rename HDD variable pStaCtx

The Linux Coding Style frowns upon mixed-case names and so-called
Hungarian notation, so rename HDD local variable pStaCtx to be
compliant.

Change-Id: Ief8942a12c802720d5eb2819e85eb895c6d8df40
CRs-Fixed: 2405752
3 files changed