power: regulator: tps80031: add regulator support

The driver provides regulator set/get voltage enable/disable
functions for TI TPS80031/TPS80032 PMICs.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig
index 5818162..6454c54 100644
--- a/drivers/power/regulator/Kconfig
+++ b/drivers/power/regulator/Kconfig
@@ -356,6 +356,14 @@
 	implements the get/set api for value only, as the power line is
 	always on.
 
+config DM_REGULATOR_TPS80031
+	bool "Enable driver for TPS80031/TPS80032 PMIC regulators"
+	depends on DM_PMIC_TPS80031
+	---help---
+	This enables implementation of driver-model regulator uclass
+	features for TPS80031/TPS80032 PMICs. The driver implements
+	get/set api for: value and enable.
+
 config DM_REGULATOR_STPMIC1
 	bool "Enable driver for STPMIC1 regulators"
 	depends on DM_REGULATOR && PMIC_STPMIC1