regulator: Add of_regulator_bulk_get_all

[ Upstream commit 27b9ecc7 ]

It work exactly like regulator_bulk_get() but instead of working on a
provided list of names, it seek all consumers properties matching
xxx-supply.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Link: https://lore.kernel.org/r/20221115073603.3425396-2-clabbe@baylibre.com


Signed-off-by: Mark Brown <broonie@kernel.org>
Stable-dep-of: 1a5caec7 ("regulator: core: Stub devm_regulator_bulk_get_const() if !CONFIG_REGULATOR")
Signed-off-by: Sasha Levin <sashal@kernel.org>