qcacld-3.0: Fix ofdm and cck flag info for mon mode data packets

Currently cck and ofdm flags are filled wrongly for monitor
mode data packets based on preamble and wireshark deriving
incorrect phy type for 11G & 11B.

This change is to update cck and ofdm flags based on packet
type.

Change-Id: I5fcdc463ea2a6d83253e39cc377a2471aeb4e144
CRs-Fixed: 3447567