qcacmn: Update avg_rssi with per_pkt_rssi + per_bw_offset

Currently for averaging rssi we do not add per_bw_offset to SNR,
add per_bw_offset value to SNR to compute avg_rssi

Change-Id: I451f90e5794235c7466f3c4f1850df246e719d0a
1 file changed