dt-bindings: memory: tegra20: emc: Correct registers range in example

There is superfluous zero in the registers base address and registers
size should be twice bigger.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20201104164923.21238-5-digetx@gmail.com


Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>