qcacld-3.0: Resolve memory leak issues
qcacld-2.0 to qcacld-3.0 propagation
In SME, while processing set beacon parameters, free
dynamically allocated memory, once done with the it.
Change-Id: I281ef5eb9492fe75d639b2bef7ed588aacee8e74
CRs-Fixed: 974567
(cherry picked from commit feaa49e6b906f33a98a11f5ee35c947abe5d28bd)