Do more frequency list population in a number of functions
to make sure the resulting tCsrChannelInfo structures
have the right channel frequency info.
Meanwhile, enlarge the buffer allocated for freq_list in
csr_roam_copy_profile to make sure all channel frequencies
can be replicated.
Change-Id: Ia8b90581211d657851e1d8fc2556dcb633c8001a
CRs-Fixed: 2500236
21d7effc7f