Assigning a single variable to section __efi_runtime_date while the rest of
the test is in the boottime section does not make much sense.
As we do not set a virtual address map here, we don't need a runtime
section.
Update the variables at runtime test.
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>