Partitions are described via fixed-partitions that's why there is no need
to have address/size-cells in flash node.
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/c4447028f914e77b8c28640dc458b8409198ee30.1695040866.git.michal.simek@amd.com