mac80211: make iwlwifi select AC support

Some NICs supported by this driver support ieee80211 AC.

Signed-off-by: Hauke Mehrtens <[email protected]>

package/kernel/mac80211/Makefile

@@ -793,7 +793,7 @@ endef
 
 define KernelPackage/iwlwifi
   $(call KernelPackage/mac80211/Default)
-  DEPENDS:= +kmod-mac80211 @PCI_SUPPORT +@DRIVER_11N_SUPPORT @!LINUX_3_18
+  DEPENDS:= +kmod-mac80211 @PCI_SUPPORT +@DRIVER_11N_SUPPORT +@DRIVER_11AC_SUPPORT @!LINUX_3_18
   TITLE:=Intel AGN Wireless support
   FILES:= \
 	$(PKG_BUILD_DIR)/drivers/net/wireless/intel/iwlwifi/iwlwifi.ko \