[stable-2.9]add one note to help ansible user to understand the requirements to (#65969) (#66493)

execute iosxr_command module

Signed-off-by: Peng Xiao <xiaoquwl@gmail.com>
(cherry picked from commit 69f9c3c8eb)

changelogs/fragments/65969-iosxr-command-requirements-update.yaml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - add one note to help ansible user to understand the requirements to (https://github.com/ansible/ansible/pull/65969)

lib/ansible/modules/network/iosxr/iosxr_command.py

@@ -27,6 +27,7 @@ description:
     Please use M(iosxr_config) to configure iosxr devices.
 extends_documentation_fragment: iosxr
 notes:
+  - Make sure the user has been authorized to execute commands terminal length 0, terminal width 512 and terminal exec prompt no-timestamp.
   - This module works with C(network_cli). See L(the IOS-XR Platform Options,../network/user_guide/platform_iosxr.html).
   - This module does not support C(netconf) connection.
   - Tested against IOS XR 6.1.3