reset: simple: add support for Sophgo CV1800B

Reuse reset-simple driver for the Sophgo CV1800B reset generator.

Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250617070144.1149926-3-inochiama@gmail.com


Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>