buildah add ppc64 changes

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

SPECS/buildah.spec

@@ -29,7 +29,7 @@ Summary: A command line tool used for creating OCI Images
 License: ASL 2.0
 URL: https://%{name}.io
 Source: %{git0}/archive/%{commit0}/%{name}-%{shortcommit0}.tar.gz
-ExclusiveArch: x86_64 %{arm} aarch64 ppc64le s390x
+ExclusiveArch: x86_64 %{arm} aarch64 ppc64 ppc64le s390x
 
 # If go_compiler is not set to 1, there is no virtual provide. Use golang instead.
 BuildRequires: %{?go_compiler:compiler(go-compiler)}%{!?go_compiler:golang}
@@ -81,6 +81,9 @@ mv vendor src
 export GOPATH=$(pwd)/_build:$(pwd)
 export BUILDTAGS='seccomp selinux'
 export GO111MODULE=off
+%ifarch ppc64
+export CGO_ENABLED=1
+%endif
 %gobuild -o %{name} %{import_path}/cmd/%{name}
 GOMD2MAN=go-md2man %{__make} -C docs