regulator: add documentation for regulator modes and suspend states

Add documentation for regulator modes and suspend states.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Claudiu Beznea 2018-12-11 15:56:59 +00:00 • committed by Mark Brown
commit 8a582fa942
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