[wireless-regdb] Update regulatory rules for Kazakhstan (KZ) on 5GHz

[Vasiliy Safronov]

Please add support 5ghz for Kazakhstan.
In Kazakhstan there are no restrictions up to 100mW
country KZ: DFS-ETSI
 (2402 - 2482 @ 40), (20)
 (5170 - 5250 @ 80), (20), AUTO-BW
 (5250 - 5330 @ 80), (20), DFS, AUTO-BW
 (5650 - 5730 @ 80), (30), DFS
 (5735 - 5835 @ 80), (30)

http://adilet.zan.kz/rus/docs/P000001379_
S 5.282 etc