cfg80211: Sync nl80211 commands/feature with upstream

Update header for nl80211 nl80211_ext_feature_index and
nl80211_commands enum from master branch of upstream repoistory
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git


which includes the following changes (with changes to extract
"enum" value change only):
91b5ab62 cfg80211: support 4-way handshake offloading for WPA/WPA2-PSK
3a00df57 cfg80211: support 4-way handshake offloading for 802.1X
2d23d073 nl80211: add OCE scan and capability flags
65026002 nl80211: add an option to allow MFP without requiring it
5037a009 nl80211: Introduce scan flags to emphasize requested scan
behavior
13cf6dec cfg80211/nl80211: add DFS offload flag
2576a9ac nl80211: Implement TX of control port frames
9c06602b1b9 cfg80211: clarify frames covered by average ACK signal report
52539ca8 cfg80211: Expose TXQ stats and parameters to userspace
2e076f19 nl80211: add scan features for improved scan privac
2b815b04dfe nl80211: Add CAN_REPLACE_PTK0 API
81e54d08d9d cfg80211: support FTM responder configuration/statistics
36647055b37 cfg80211: Add airtime statistics and settings
466b9936 cfg80211: Add support to notify station's opmode change to
userspace
6a671a50 nl80211: Add CMD_CONTROL_PORT_FRAME API
9bb7e0f24e7 cfg80211: add peer measurement with FTM initiator API
30c63115e20 nl80211: Add support to notify radar event info received from
STA.

CRs-Fixed: 2396941
Change-Id: I976a9177b9dd705c6131a3a9a62d64432e3d715a
Signed-off-by: Liangwei Dong <liangwei@codeaurora.org>
Signed-off-by: Srinivas Dasari <dasaris@codeaurora.org>