dt-bindings: reset: altr,modrst-offset is not required for arm64 SoCFPGA

The property "altr,modrst-offset" is only applicable to arm32 SoCFPGA
platforms, thus it not required for all platforms.

While at it, update my email address.

Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230719132749.661914-1-dinguyen@kernel.org


Signed-off-by: Rob Herring <robh@kernel.org>