regulator: Add devm_regulator_get_exclusive()

Add a resource managed regulator_get_exclusive()

Signed-off-by: Matthias Kaehlcke <matthias@kaehlcke.net>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index e2bac6d..91aca11 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -137,6 +137,8 @@
 					     const char *id);
 struct regulator *__must_check regulator_get_exclusive(struct device *dev,
 						       const char *id);
+struct regulator *__must_check devm_regulator_get_exclusive(struct device *dev,
+							const char *id);
 struct regulator *__must_check regulator_get_optional(struct device *dev,
 						      const char *id);
 struct regulator *__must_check devm_regulator_get_optional(struct device *dev,