wireless: permit wireless as physical device for PTP

Wireless devices are not appropriate for PTP but work well enough to use them
for development and test of unrelated capabilities, so allow them.

src/sfptpd_interface.c

@@ -519,7 +519,7 @@ static bool interface_check_suitability(const struct sfptpd_link *link,
 	 * infiniband etc and ignore all non-ethernet types.
 	 *
 	 * Even if the interface is ethernet type but we want to exclude
-	 * devices that are wireless, bridges, vlan interfaces, bonds,
+	 * devices that are bridges, vlan interfaces, bonds,
 	 * tap devices and virtual interfaces */
 
 	switch(link->type) {
@@ -548,8 +548,7 @@ static bool interface_check_suitability(const struct sfptpd_link *link,
 	case SFPTPD_LINK_PHYSICAL:
 		if (sysfs_file_exists(sysfs_dir, name, "wireless") ||
 		    sysfs_file_exists(sysfs_dir, name, "phy80211")) {
-			TRACE_L2("interface %s: is wireless - ignoring\n", name);
-			return false;
+			TRACE_L2("interface %s: is wireless - this isn't going to work well!\n", name);
 		}
 		if (link->type != SFPTPD_LINK_MACVLAN &&
 		    sysfs_file_exists(SFPTPD_SYSFS_VIRTUAL_NET_PATH, "", name)) {