qcacmn: Send proper CTL info to fw in world regd
Currently, for world regd and some other regds where conformance test
limit is NO_CTL, host is sending invalid CTL info to fw instead of
NO_CTL (0xff) due to type conversion issues.
To fix this, use proper unsigned type for CTL info.
Change-Id: I0407d30c6cd6f7f485d767c97bc5381c9c731440
CRs-Fixed: 2056847