regulator: dt-bindings: Convert Dialog DA9211 Regulators to DT schema

regulator: dt-bindings: Convert Dialog DA9211 Regulators to DT schema

Convert the existing text-based DT bindings for Dialog Semiconductor DA9211
Voltage Regulators family to a DT schema. Examples are simplified, as these
are all equal.

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://patch.msgid.link/20251001183648.83379-1-ariel.dalessandro@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>