qcacmn: Change the data type of average/roundup tx rate

The datatype of average and round up tx rate was uint32_t which truncates
the upper byte of the average and round up tx rate value.

changing the datatype of average and round up tx rate from uint32_t to
uint64_t.

Change-Id: I3809ba7cfc73ec0b4609981e70d57112ac958f33
CRs-Fixed: 2409751
3 files changed