Add QCA vendor subcmd for Link Property Query

Link Property query vendor command shall facilitate the information
of the Wi-Fi link. MAC address of the Wi-Fi peer is given as an input
for querying the link properties.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>

src/common/qca-vendor.h

@@ -151,6 +151,7 @@ enum qca_nl80211_vendor_subcmds {
 	QCA_NL80211_VENDOR_SUBCMD_DCC_CLEAR_STATS = 98,
 	QCA_NL80211_VENDOR_SUBCMD_DCC_UPDATE_NDL = 99,
 	QCA_NL80211_VENDOR_SUBCMD_DCC_STATS_EVENT = 100,
+	QCA_NL80211_VENDOR_SUBCMD_LINK_PROPERTIES = 101,
 };