efivarfs: force RO when remounting if SetVariable is not supported
CVE: CVE-2023-52463
JIRA: https://issues.redhat.com/browse/RHEL-26588
Conflict: Context conflict caused by absence op upstream patch: 5329aa5101f7 efivarfs: Add uid/gid mount options
Signed-off-by: Pavel Reichl preichl@redhat.com
Edited by Pavel Reichl