skopeo add ppc64 support

Signed-off-by: virtbuilder_pel7ppc64bebuilder0 <virtbuilder@powerel.org>

SPECS/skopeo.spec

@@ -29,7 +29,7 @@
 
 # e.g. el6 has ppc64 arch without gcc-go, so EA tag is required
 # manually listed arches due https://bugzilla.redhat.com/show_bug.cgi?id=1391932 (removed ppc64)
-ExcludeArch: ppc64
+#ExcludeArch: ppc64
 
 Name: %{repo}
 %if 0%{?fedora} > 28
@@ -272,6 +272,9 @@ export GOPATH=$(pwd):%{gopath}
 export GOPATH=$(pwd):$(pwd)/vendor:%{gopath}
 %endif
 
+%ifarch ppc64
+export CGO_ENABLED=1
+%endif
 %gobuild -o %{name} ./cmd/%{name}
 %{__make} docs