drivers: power: pmic: Enable use of rn5t567 PMIC in SPL

The support added later in this series tweaks the PMIC voltages in the
SPL. Enable support for the rn5t567 in SPL builds to allow this to be done
cleanly.

Signed-off-by: Martyn Welch <martyn.welch@collabora.co.uk>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index 0478f2a..628d3a9 100644
--- a/drivers/power/pmic/Kconfig
+++ b/drivers/power/pmic/Kconfig
@@ -300,6 +300,14 @@
 	regulators Real-Time Clock and 4 GPIOs. This driver provides
 	register access only.
 
+config SPL_PMIC_RN5T567
+	bool "Enable driver for Ricoh RN5T567 PMIC in SPL"
+	depends on SPL_DM_PMIC
+	---help---
+	The RN5T567 is a PMIC with 4 step-down DC/DC converters, 5 LDO
+	regulators Real-Time Clock and 4 GPIOs. This driver provides
+	register access only.
+
 config PMIC_TPS65090
 	bool "Enable driver for Texas Instruments TPS65090 PMIC"
 	---help---