hwmon: (pmbus) Add support for Lineage Power DC-DC converters

Add device IDs and reference to datasheets for Lineage Power DC-DC converters.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
diff --git a/drivers/hwmon/pmbus/pmbus.c b/drivers/hwmon/pmbus/pmbus.c
index ef5cc1e..995e873 100644
--- a/drivers/hwmon/pmbus/pmbus.c
+++ b/drivers/hwmon/pmbus/pmbus.c
@@ -206,7 +206,11 @@
 	{"bmr454", 1},
 	{"ncp4200", 1},
 	{"ncp4208", 1},
+	{"pdt003", 1},
+	{"pdt006", 1},
+	{"pdt012", 1},
 	{"pmbus", 0},
+	{"udt020", 1},
 	{}
 };