Follow up sporadic FS corruption in R car boards

Background

After the work in #70 (closed) the random FS issues are only seen in ARM64 r-car boards. This task is about investigating it and run tests to understand the root cause of the issue.

Outcomes

TBD

Management data

This section is for management only, it should be the last one in the description

Phabricator link: https://phabricator.apertis.org/T9337