netfilter: kmod-nft-netdev: add egress support

The netdev egress hook was added in Linux kernel 5.16.

Link: https://patchwork.ozlabs.org/project/openwrt/patch/[email protected]/
Signed-off-by: 谢致邦 (XIE Zhibang) <[email protected]>

package/kernel/linux/modules/netfilter.mk

@@ -1217,6 +1217,7 @@ define KernelPackage/nft-netdev
   DEPENDS:=+kmod-nft-core
   KCONFIG:= \
 	CONFIG_NETFILTER_INGRESS=y \
+	CONFIG_NETFILTER_EGRESS=y \
 	CONFIG_NF_TABLES_NETDEV \
 	CONFIG_NF_DUP_NETDEV \
 	CONFIG_NFT_DUP_NETDEV \