qcacld-3.0: Fix implicit conversion from enumeration type error

Implicit conversion from enumeration type 'enum dfs_reg' to
different enumeration type 'enum nl80211_dfs_regions'
[-Werror,-Wenum-conversion]

Change-Id: Iceff212456180b995a9432be04af5e39e7863acb
CRs-Fixed: 2271384
1 file changed