test: device: Specify address and size cells.

The test is wrongly assuming that all the archs have #address-cells =
<1> and #size-cells = <1> at the DT root. This is not always true, and
it makes the test failing for AArch64. Fix the wrong assumption.

Signed-off-by: Carlo Caione <ccaione@baylibre.com>
1 file changed