Merge: net: renesas: rswitch: backport upstream fixes

MR: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/6347

JIRA: https://issues.redhat.com/browse/RHEL-78074
Link: https://issues.redhat.com/browse/VROOM-26181

Important bug fixes from a functional safety perspective.
See the Jira tickets for details.

Signed-off-by: Radu Rendec <rrendec@redhat.com>

Approved-by: Jared Kangas <jkangas@redhat.com>
Approved-by: Desnes Nunes <desnesn@redhat.com>
Approved-by: José Ignacio Tornos Martínez <jtornosm@redhat.com>
Approved-by: Eric Chanudet <echanude@redhat.com>
Approved-by: CKI KWF Bot <cki-ci-bot+kwf-gitlab-com@redhat.com>

Merged-by: Patrick Talbert <ptalbert@redhat.com>

Author: ptalbert