Add host driver support for MCS 12/13, a Q-Q PHY feature.
The following changes are being introduced as a part of this
- Advertisement of the MCS 12/13 using the QCN IE
- Interaction between the Host and the FW regarding the target and
peer capabilities for the new features introduced.
- The new data structures and variables to populate and use the feature
capability
- Routines to add and parse the IE.
Change-Id: I2b91a271d30b1230ef7bb14ee08d0b9da2706db4
CRs-Fixed: 2610277