wireless-regdb: enable VHT80 for SV

Source is QCA's regulatory team's efforts.

Signed-off-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>

db.txt

diff --git a/db.txt b/db.txt
index b64d7a7..c35d06d 100644
--- a/db.txt
+++ b/db.txt
@@ -715,9 +715,9 @@
 
 country SV: DFS-FCC
 	(2402 - 2482 @ 40), (20)
-	(5170 - 5250 @ 20), (17)
-	(5250 - 5330 @ 20), (23), DFS
-	(5735 - 5835 @ 20), (30)
+	(5170 - 5250 @ 80), (17)
+	(5250 - 5330 @ 80), (23), DFS
+	(5735 - 5835 @ 80), (30)
 
 country SY:
 	(2402 - 2482 @ 40), (20)