efi_selftest: can't have measured device-tree with kaslr-seed

Test that we don't have a /chosen/kaslr-seed property if we measure the
device-tree.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
1 file changed