Add NOTE control interface command for hostapd

This does the same as the matching command in wpa_supplicant, i.e., add
a note in the debug log.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

hostapd/ctrl_iface.c

@@ -2788,6 +2788,8 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
 	} else if (os_strncmp(buf, "RELOG", 5) == 0) {
 		if (wpa_debug_reopen_file() < 0)
 			reply_len = -1;
+	} else if (os_strncmp(buf, "NOTE ", 5) == 0) {
+		wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
 	} else if (os_strcmp(buf, "STATUS") == 0) {
 		reply_len = hostapd_ctrl_iface_status(hapd, reply,
 						      reply_size);