wifi: mac80211: add kernel-doc for EHT structure
Looks like this is required, even if all of the members
are separately described. Add a line to avoid the warning.
Fixes: f66c48af7a11 ("mac80211: support minimal EHT rate reporting on RX")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>