nl80211: retry phy lookup with platform/ prefix

If the first attempt to lookup the phy index by the path value fails, retry to
find the index within the platform/ subdirectory to follow the logic used by
the mac80211 package.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

iwinfo_nl80211.c

@@ -244,6 +244,9 @@ static int nl80211_phy_idx_from_uci_path(struct uci_section *s)
 		return -1;
 
 	snprintf(buf, sizeof(buf), "/sys/devices/%s/ieee80211/*/index", opt);  /**/
+	if (glob(buf, 0, NULL, &gl))
+		snprintf(buf, sizeof(buf), "/sys/devices/platform/%s/ieee80211/*/index", opt);  /**/
+
 	if (glob(buf, 0, NULL, &gl))
 		return -1;