qcacld-3.0: Rename HDD variable roamScanControl

The Linux Coding Style frowns upon mixed-case names so rename HDD
local variable roamScanControl to be compliant.

Change-Id: I49aa61b5daf60c9d3b30d201803ee4c6a9cfd2d7
CRs-Fixed: 2408527
1 file changed