qcacld-3.0: Change random scan mac attributes to be optional

Change random scan mac_addr and mac_addr_mask attributes
to be optional similar to the standard NL80211 scan trigger interface.
When these attributes are not present, configure default values in
such a way that the random addresses generated are not multicast
but locally administered.

Change-Id: I81acfe05d7f08d1b8f77179816da9df05f2eb233
CRs-Fixed: 2280250
1 file changed