libnetwork: Exclude unsupported architectures

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

utils/libnetwork/Makefile

@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libnetwork
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_LICENSE:=Apache-2.0
 PKG_LICENSE_FILES:=LICENSE
 
@@ -29,7 +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