qcacld-3.0: Use channel frequency directly stead of channel number

Use channel frequency directly in function csr_get_dot11_mode() and
csr_neighbor_roam_preauth_rsp_handler().

Change-Id: I2dac911fac1d1c154a3d0f5465cfef3d85e81b85
CRs-Fixed: 2568346
1 file changed