regulator: da9121: Add DA914x binding info

Add the configuration for the DA9141 and DA9142 regulators.
Also tidy the table, cleaning away superfluous information.

Signed-off-by: Adam Ward <Adam.Ward.opensource@diasemi.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/9293e3ae4ff8776704257085df65516b81209b87.1638223185.git.Adam.Ward.opensource@diasemi.com


Signed-off-by: Mark Brown <broonie@kernel.org>