hwmon/smsc47m1: Add support for the LPC47M292

The new SMSC LPC47M292 Super-I/O chip is a bit different from the
previous ones, it supports a 3rd fan, but unfortunately the pin
configuration registers are different.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 68ee970..399b6a9 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -422,11 +422,12 @@
 	  If you say yes here you get support for the integrated fan
 	  monitoring and control capabilities of the SMSC LPC47B27x,
 	  LPC47M10x, LPC47M112, LPC47M13x, LPC47M14x, LPC47M15x,
-	  LPC47M192 and LPC47M997 chips.
+	  LPC47M192, LPC47M292 and LPC47M997 chips.
 
-	  The temperature and voltage sensor features of the LPC47M192
-	  and LPC47M997 are supported by another driver, select also
-	  "SMSC LPC47M192 and compatibles" below for those.
+	  The temperature and voltage sensor features of the LPC47M15x,
+	  LPC47M192, LPC47M292 and LPC47M997 are supported by another
+	  driver, select also "SMSC LPC47M192 and compatibles" below for
+	  those.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called smsc47m1.