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Boolean properties in DT are present or not present and don't take a value.
A property such as 'foo = <0>;' evaluated to true. IOW, the value doesn't
matter.

It may have been intended that 0 values are false, but there is no change
in behavior with this patch.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/Yk3m92Sj26/v1mLG@robh.at.kernel.org

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