prima: extscan: Update extscan capabilities.
1. Update structure tpSirEXTScanCapabilitiesEvent with
more capabilities.
2. Add structure hdd_ext_scan_context which is used for
implementing blocking mechanism.
3. Add blocking mechanism to send extscan capabilities
to the upper layer in same context.
4. Remove Mtrace enum TRACE_CODE_SME_RX_HDD_EXTSCAN_
GET_CAPABILITIES to avoid multiple Mtrace messages in
sme_EXTScanGetCapabilities
Change-Id: If98d4e421098d558f1ba6f70a6e4d873d5c4463a
CRs-Fixed: 834122
8 files changed