wireless-regdb: Add Chad (TD) regulatory rules

Source is QCA's regulatory team's efforts and correspondence with
regulator: http://otrt.td [L'Office Tchadien de Régulation des
Télécommunications (OTRT)].

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/db.txt b/db.txt
index 887902e..b06fb2b 100644
--- a/db.txt
+++ b/db.txt
@@ -785,6 +785,12 @@
 country SY:
 	(2402 - 2482 @ 40), (20)
 
+country TD: DFS-ETSI
+	(2402 - 2482 @ 40), (20)
+	(5170 - 5250 @ 80), (20)
+	(5250 - 5330 @ 80), (20), DFS
+	(5490 - 5710 @ 80), (27), DFS
+
 country TG: DFS-ETSI
 	(2402 - 2482 @ 40), (20)
 	(5170 - 5250 @ 40), (20)