hwmon: Add Ultra45 workstation hwmon driver.

This is a PIC16F747 based controller that monitors and consolidates
the hardware access to various fan and temperature values reported by
adr7462 and similar devices behind an I2C bus.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index d402e8d..89765dd 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -791,6 +791,13 @@
 	  This driver can also be built as a module.  If so, the module
 	  will be called w83627ehf.
 
+config SENSORS_ULTRA45
+	tristate "Sun Ultra45 PIC16F747"
+	depends on SPARC64
+	help
+	  This driver provides support for the Ultra45 workstation environmental
+	  sensors.
+
 config SENSORS_HDAPS
 	tristate "IBM Hard Drive Active Protection System (hdaps)"
 	depends on INPUT && X86