hwmon: (pmbus) Add support for Intersil power management chips

Add support for Intersil / Zilker Labs ZL2004, ZL2006, ZL2008, ZL2105, ZL2106,
ZL6100, and ZL6105.

Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 3757558..efaf340 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -98,4 +98,15 @@
 	  This driver can also be built as a module. If so, the module will
 	  be called ucd9200.
 
+config SENSORS_ZL6100
+	tristate "Intersil ZL6100 and compatibles"
+	default n
+	help
+	  If you say yes here you get hardware monitoring support for Intersil
+	  ZL2004, ZL2006, ZL2008, ZL2105, ZL2106, ZL6100, and ZL6105 Digital
+	  DC/DC Controllers.
+
+	  This driver can also be built as a module. If so, the module will
+	  be called zl6100.
+
 endif # PMBUS