roles/ipaclient/README.md: OTP needs kinit on controller

Add Information about needed /usr/bin/kinit on the controller when OTP is used

roles/ipaclient/README.md: OTP needs kinit on controller
45b2648a · Thomas Woerner · GitHub · 27fb3e1b · 45b2648a
Unverified Commit 45b2648a authored Jul 5, 2019 by Thomas Woerner Committed by GitHub Jul 5, 2019
--- a/roles/ipaclient/README.md
+++ b/roles/ipaclient/README.md
@@ -32,6 +32,7 @@ Requirements

 **Controller**
 * Ansible version: 2.8+
+* /usr/bin/kinit is required on the controller if a one time password (OTP) is used
 * python3-gssapi is required on the controller if a one time password (OTP) is used to install the client.

 **Node**