commit 75a1940d0230c0fb2957426952c5308e08919c06
Author: Bernd Finger <bfinger@redhat.com>
Date:   Mon Sep 21 10:32:34 2020 +0200

    solve issue #119

diff --git a/tasks/RedHat/installation.yml b/tasks/RedHat/installation.yml
index 7796420..491c8ab 100644
--- a/tasks/RedHat/installation.yml
+++ b/tasks/RedHat/installation.yml
@@ -64,6 +64,7 @@
   yum:
     name: "{{ sap_hana_preconfigure_ibm_power_repo_url }}"
     state: present
+    disable_gpg_check: True
   when:
     - ansible_architecture == "ppc64le"
     - sap_hana_preconfigure_add_ibm_power_repo|d(true)