enabled ol7_olcne yum repo to install the latest kubectl (#120)

Signed-off-by: Ali Mukadam <[email protected]>

Author: hyder

modules/oke/scripts/install_kubectl.template.sh

@@ -2,6 +2,10 @@
 # Copyright 2017, 2019, Oracle Corporation and/or affiliates.  All rights reserved.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl
 
+sudo yum install -y oracle-olcne-release-el7
+
+sudo yum-config-manager --enable ol7_olcne
+
 sudo yum install -y kubectl git
 
 mkdir ~/.kube