qcacmn: Rewrite util_gen_new_bssid functionality

qdf_do_div is not helping  for modulo operation and always returns 0 in
32 bit image resulting in same base BSSID is always returned for all
the VAP's.With 64 bit image no issues are seen.

Change-Id: I50e500f57713ce080447b9a5cb1e615018222adb
CRs-Fixed: 2565183
1 file changed