mac80211: make cfg80211 testmode support optional (and disabled by default)

Testmode commands are typically only used for manufacturing or vendor specific
debugging features, so they should not be in the default image

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/kernel/mac80211/Makefile

@@ -35,6 +35,7 @@ PKG_DRIVERS = \
 
 PKG_CONFIG_DEPENDS:= \
 	CONFIG_PACKAGE_kmod-mac80211 \
+	CONFIG_PACKAGE_CFG80211_TESTMODE \
 	CONFIG_PACKAGE_MAC80211_DEBUGFS \
 	CONFIG_PACKAGE_MAC80211_MESH \
 	CONFIG_PACKAGE_MAC80211_TRACING \
@@ -56,7 +57,6 @@ config_package=$(if $(CONFIG_PACKAGE_kmod-$(1)),m)
 
 config-y:= \
 	WLAN \
-	NL80211_TESTMODE \
 	CFG80211_WEXT \
 	CFG80211_CERTIFICATION_ONUS \
 	MAC80211_RC_MINSTREL \
@@ -80,6 +80,7 @@ config-y:= \
 	WLAN_VENDOR_ZYDAS \
 
 config-$(call config_package,cfg80211) += CFG80211
+config-$(CONFIG_PACKAGE_CFG80211_TESTMODE) += NL80211_TESTMODE
 
 config-$(call config_package,mac80211) += MAC80211
 config-$(CONFIG_PACKAGE_MAC80211_MESH) += MAC80211_MESH
@@ -108,6 +109,20 @@ define KernelPackage/cfg80211/description
 cfg80211 is the Linux wireless LAN (802.11) configuration API.
 endef
 
+define KernelPackage/cfg80211/config
+  if PACKAGE_kmod-cfg80211
+
+	config PACKAGE_CFG80211_TESTMODE
+		bool "Enable testmode command support"
+		default n
+		help
+		  This is typically used for tests and calibration during
+		  manufacturing, or vendor specific debugging features
+
+  endif
+endef
+
+
 define KernelPackage/mac80211
   $(call KernelPackage/mac80211/Default)
   TITLE:=Linux 802.11 Wireless Networking Stack