libnetwork: Exclude unsupported architectures

Signed-off-by: Gerard Ryan <G.M0N3Y.2503@gmail.com>

utils/libnetwork/Makefile

@@ -1,7 +1,6 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libnetwork
-PKG_VERSION:=0.8.0-dev.2
 PKG_RELEASE:=1
 PKG_LICENSE:=Apache-2.0
 PKG_LICENSE_FILES:=LICENSE
@@ -11,11 +10,11 @@ GO_PKG_BUILD_PKG:= \
   $(GO_PKG)/cmd/proxy \
   $(GO_PKG)/cmd/dnet
 
+PKG_SOURCE_VERSION:=e7933d41e7b206756115aa9df5e0599fc5169742
+PKG_SOURCE_DATE:=2019-07-13
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_URL:=https://$(GO_PKG)
-PKG_SOURCE_VERSION:=e7933d41e7b206756115aa9df5e0599fc5169742
 PKG_MIRROR_HASH:=48638648bfd2b249f8e9cc32b5ec295a64e61fcb7cf635ca1a88809662167374
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.xz
 
 PKG_MAINTAINER:=Gerard Ryan <G.M0N3Y.2503@gmail.com>
 
@@ -30,7 +29,7 @@ define Package/libnetwork
   CATEGORY:=Utilities
   TITLE:=networking for containers
   URL:=https://github.com/docker/libnetwork
-  DEPENDS:=$(GO_ARCH_DEPENDS)
+  DEPENDS:=$(GO_ARCH_DEPENDS) @TARGET_x86_64
 endef
 
 define Package/libnetwork/description