On typical x86_64 machines, /sys/firmware can contain SMBIOS and ACPI tables. There is no need to expose the directory to containers. Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp> Upstream-commit: 8b1772c86b20d06ae6bd8ccf4b20f6df4cd86b62 Component: engine