wireless: align some HE capabilities with the spec

Some names were changed, align that with the spec as of
802.11ax-D6.1.

Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210409123755.b1e5fbab0d8c.I3eb6076cb0714ec6aec6b8f9dee613ce4a05d825@changeid


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