linux-phytec-fsl

regulator: lm363x: Use generic property for hardware enable pins

With index usages, device specific properties can be replaced with generic
one. Vpos is index 0 and Vneg is index 1.
DT examples are added as well.

Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Mark Brown <broonie@kernel.org>