i2c-viapro: Add support for the VIA CX700 south bridge

We do not have any documentation for the CX700, but it was reported
to work fine. Thanks to Claas Langbehn for testing.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index f2894de..25d52e0 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -500,11 +500,11 @@
 	  will be called i2c-via.
 
 config I2C_VIAPRO
-	tristate "VIA 82C596/82C686/82xx"
+	tristate "VIA VT82C596/82C686/82xx and CX700"
 	depends on I2C && PCI
 	help
 	  If you say yes to this option, support will be included for the VIA
-	  82C596/82C686/82xx I2C interfaces.  Specifically, the following
+	  VT82C596 and later SMBus interface.  Specifically, the following
 	  chipsets are supported:
 	    VT82C596A/B
 	    VT82C686A/B
@@ -513,6 +513,7 @@
 	    VT8235
 	    VT8237R/A
 	    VT8251
+	    CX700
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-viapro.