mac80211: always include HE 6GHz capability in probe request

If HE/6GHz is available (thus we consider dot11HE6GOptionImplemented
to be true), then always include the corresponding capability in the
probe request as required by the spec.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210618133832.25ee4a54a7d0.I8cebd799c85524c8123a11941a104dbdefc03762@changeid


Signed-off-by: Johannes Berg <johannes.berg@intel.com>