[MultiOS][Yocto] failed to install from ISO image on Dell-R740

[Jackie Huang]

Brief Description
-----------------
failed to install from ISO image on Dell-R740

Severity
--------
Major

Steps to Reproduce
------------------
1. build the image according to https://opendev.org/starlingx/meta-starlingx/src/branch/master/README.md
2. Install AIO simple with the built out image

Expected Behavior
------------------
The installation from ISO should be successful

Actual Behavior
----------------
installation failed

Reproducibility
---------------
Reproducible

System Configuration
--------------------
One node system, All-in-one duplex

Branch/Pull Time/Commit
-----------------------
Branch: master
Time: Nov 2 2020
Commit: 587e1dbcf2633770a9d6717fe5f84ab6b08de2bd

Last Pass
---------

Timestamp/Logs
--------------

Test Activity
-------------

Workaround
----------

[Ghada Khalil (gkhalil)]

Low / doesn't gate the next release as this is prep work for multi-os support which is not committed for stx.5.0

[Jackie Huang (jackie-huang)]

Merged review:
https://review.opendev.org/c/starlingx/meta-starlingx/+/763940