copr-hv: use x86_64 copr repo for praiskup-helpers

There's no ppc64 copr repo, yet.  So $basearch doesn't work.

roles/copr/hypervisor/tasks/main.yml

@@ -140,11 +140,26 @@
   - libvirt
   - virt-install
 
+#- name: Enable praiskup-helpers repo
+#  community.general.copr:
+#    state: enabled
+#    name: praiskup/helpers
+#    chroot: epel-8-x86_64
+
 - name: Enable praiskup-helpers repo
-  community.general.copr:
-    state: enabled
-    name: praiskup/helpers
-    chroot: epel-8-x86_64
+  copy:
+    dest: "/etc/yum.repos.d/_copr:copr.fedorainfracloud.org:praiskup:helpers.repo"
+    content: |
+      [copr:copr.fedorainfracloud.org:praiskup:helpers]
+      name=Copr repo for helpers owned by praiskup
+      baseurl=https://download.copr.fedorainfracloud.org/results/praiskup/helpers/epel-8-x86_64/
+      type=rpm-md
+      skip_if_unavailable=True
+      gpgcheck=1
+      gpgkey=https://download.copr.fedorainfracloud.org/results/praiskup/helpers/pubkey.gpg
+      repo_gpgcheck=0
+      enabled=1
+      enabled_metadata=1
 
 - name: install latest packages
   package: name=praiskup-helpers state=latest