kea: Add importer for legacy isc-dhcp-v4 UCI configs

Now that ISC-DHCP is EOLs, users might want to transparently
to the functionality of Kea.  This supports most of the
functionality of ISC-DHCP for v4.

Signed-off-by: Philip Prindeville <[email protected]>

Author: pprindeville

net/kea/Makefile

@@ -82,7 +82,7 @@ endef
 define Package/kea-dhcp4
 	$(call Package/kea/Default)
 	TITLE+=DHCP Server v4
-	DEPENDS:=+kea-libs
+	DEPENDS:=+kea-libs +bind-server +bind-rndc +bind-client
 endef
 define Package/kea-dhcp4/description
     The DHCPv4 server process. This process responds to DHCPv4 queries from clients.