qcacld-3.0: Rename pMac in SYS

Per the Linux coding style "mixed-case names are frowned upon" and
"so-called Hungarian notation [...] is brain damaged." One identifier
used extensively throughout the driver that violates both of these
tenants is "pMac." In order to be compliant with the Linux coding
style there is a campaign to rename all instances of this identifier.

For this change rename all instances of "pMac" to "mac" in:
sys_entry_func.c
sys_wrapper.c
sys_wrapper.h
utils_parser.c
wlan_qct_sys.c

Change-Id: Ib07f50ea0aa67eef7b04470054014146bf1ca3fc
CRs-Fixed: 2355453
5 files changed