wlan: CCX upload support for statically linked driver

jb_mr2 enforces drivers must be statically linked and
does not support dynamically linked driver. CCX feature
has 7 proprietary files which cannot be pushed to public domain.

The changes in the 7 files are pushed to wpa_supplicant.
These are the changes required to support uploaded
approach and as well as support backward compatibility.

1. Traffic stream Metrics and TSR IE structures are moved
to common header files
2. Forwarding the IAPP data frame to wpa_supplicant incase
of CCX connection along with LLC header
3. Implementation of driver private commands
   3.1 SETCCKMIE
   3.2 GETTSMSTATS
   3.3 SETCCXROAMSCANCHANNELS
4. Implementation of IWEVCUSTOM events
   4.1 Sending CCKMPREAUTHNOTIFY event with bssid and TSF
   4.2 Sending TSMIE event
   4.3 Sending CCXADJAPREP event with roam delay info
5. New feature macro FEATURE_WLAN_CCX_UPLOAD added

Change-Id: Ic185d531de6e5b13984df1c563b0453f313afa27
CRs-Fixed:  555470