arm/arm64: dts: Fix remaining dtc 'unit_address_format' warnings

Fix all the remaining dtc 'unit_address_format' warnings except for the ones
related to 'register-bit-led'. For those, we need to decide on and document
the node name.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210823165126.2320910-1-robh@kernel.org

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Signed-off-by: Arnd Bergmann <arnd@arndb.de>