mac80211_hwsim: Claim support for setting Beacon frame TX legacy rate

mac80211 takes care of rate control for the Beacon frames, so all
mac80211_hwsim needs to do here is advertise support for this.
Signed-off-by: NJouni Malinen <jouni@codeaurora.org>
Link: https://lore.kernel.org/r/20200425155713.25687-5-jouni@codeaurora.orgSigned-off-by: NJohannes Berg <johannes.berg@intel.com>

drivers/net/wireless/mac80211_hwsim.c

@@ -3064,6 +3064,8 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
 	wiphy_ext_feature_set(hw->wiphy, NL80211_EXT_FEATURE_BEACON_PROTECTION);
 	wiphy_ext_feature_set(hw->wiphy,
 			      NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS);
+	wiphy_ext_feature_set(hw->wiphy,
+			      NL80211_EXT_FEATURE_BEACON_RATE_LEGACY);
 
 	hw->wiphy->interface_modes = param->iftypes;