qcacmn: Handle BSS peer in STA mode

1. Set BSS peer for AP during peer-create and for STA in peer-map handler
2. Set Self peer in STA mode
3. Avoid tid cleanup in STA mode
4. Remove redundant selfmac checks in Rx
5. In MEC event handler add a check to ignore MEC events
    when STA is not connected.

Change-Id: I2a34b4742d9dedaa0709c1f4c87f3a06b794f36b
6 files changed