wpa_supplicant/framework sends different vendor specific IEs in
connect request. Currently driver is parsing the IEs and appending
specific IEs to the assoc request frame. But all vendor specific
IEs are supposed to be sent in the assoc request. Extract all vendor
specific IEs and append at the end of the frame.
MBO IEs are expected to be present at the end of the frame.
So append rest of the vendor IEs just before MBO IE.
This is a followup change for the change
Ia6423bb43b2ac294541c2485f5ed45d14af6553d to ensure the
"appending vendor IEs to assoc request feature is still intact".
Change-Id: Id788153ceb30c67f7ca9de9f3feea2d610cb21cb
CRs-Fixed: 2851362
a03e7735bf