qcacmn: Add HAL APIs in hal_generic_api.h

Add the following macros:
1. HAL_RX_GET_FC_VALID
2. HAL_RX_GET_TO_DS_FLAG
3. HAL_RX_GET_MAC_ADDR2_VALID
4. HAL_RX_GET_FILTER_CATEGORY
5. HAL_RX_GET_PPDU_ID

Also add function pointers to
retrieve the flags from the above
macros.
Change-Id: I334b198588ceba77cd30bdde7ebc500cdbe18358
CRs-Fixed: 2522133
14 files changed