wpa: Enable MBO

Enable WiFi 6 MBO (Multi Band Operation). MBO is a prereq to 802.11ax.

MBO allows the efficient use of multiple frequency bands (channels).

To facilitate MBO, WNM (Wireless Network Monitoring) is a prerequisite.
It is required to build.

Tested by: philip

(cherry picked from commit 3968b47cd974e503df303265f3be9ba5865499ab)