regulator: rn5t618: add RC5T619 PMIC support

Extend the driver to support Ricoh RC5T619.
Support the additional regulators and slightly different voltage ranges.

Signed-off-by: Pierre-Hugues Husson <phh@phh.me>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h
index e5a6cde..d61bc58 100644
--- a/include/linux/mfd/rn5t618.h
+++ b/include/linux/mfd/rn5t618.h
@@ -226,11 +226,17 @@ enum {
 	RN5T618_DCDC2,
 	RN5T618_DCDC3,
 	RN5T618_DCDC4,
+	RN5T618_DCDC5,
 	RN5T618_LDO1,
 	RN5T618_LDO2,
 	RN5T618_LDO3,
 	RN5T618_LDO4,
 	RN5T618_LDO5,
+	RN5T618_LDO6,
+	RN5T618_LDO7,
+	RN5T618_LDO8,
+	RN5T618_LDO9,
+	RN5T618_LDO10,
 	RN5T618_LDORTC1,
 	RN5T618_LDORTC2,
 	RN5T618_REG_NUM,