ath9k: make CONFIG_ATH9K_DFS_CERTIFIED depend on CFG80211_CERTIFICATION_ONUS

Turns out every most standard Linux distributions enable
CONFIG_EXPERT, so use the shiny new CFG80211_CERTIFICATION_ONUS
which is meant by design to not be enabled by all Linux
distributions.
Signed-off-by: NLuis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/Kconfig

@@ -64,7 +64,7 @@ config ATH9K_DEBUGFS
 
 config ATH9K_DFS_CERTIFIED
 	bool "Atheros DFS support for certified platforms"
-	depends on ATH9K && EXPERT
+	depends on ATH9K && CFG80211_CERTIFICATION_ONUS
 	default n
 	---help---
 	  This option enables DFS support for initiating radiation on