ieee80211: add the values of ranging parameters max LTF total field

Add an enum with the values of the ranging parameters max LTF total
field, as defined in IEEE802.11az_D2.6, table Table 9-322h23fc.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210409123755.d2588ebb1974.I9424c8ade13c4c938cb9999d8ce99d0d4c1cc198@changeidSigned-off-by: Johannes Berg <johannes.berg@intel.com>

include/linux/ieee80211.h

@@ -3861,4 +3861,11 @@ struct ieee80211_neighbor_ap_info {
        u8 channel;
 } __packed;
 
+enum ieee80211_range_params_max_total_ltf {
+	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
+	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
+	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
+	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
+};
+
 #endif /* LINUX_IEEE80211_H */