qcacld-3.0: Add 11ax mode to non legacy phymode

Driver will set 11ax mode to legacy phymode currently, so it
will report no HT capability to hostapd, it's wrong.

11ax mode can support HT capability, fix is to set 11ax phymode
to non legacy.

Change-Id: Id8dce7eba9f5d986c57242242a7376d19e98eb3f
CRs-Fixed: 2503202
1 file changed