An upcoming campaign will rename all instances of pMac to mac in the
driver. In function __lim_counter_measures() there is already a local
variable named mac, so the pMac renaming will cause a conflict. In
order to avoid the conflict rename the existing local variable.
Change-Id: If7438c9ca98a65c0a3c29b77d279f8bd41258165
CRs-Fixed: 2353461