[PATCH] i2c-piix4: Add ATI IXP200/300/400 support

This patch adds the ATI IXP southbridges support to i2c-piix4,
as it turned out those chips are compatible with it.

Signed-off-by: Rudolf Marek <r.marek@sh.cvut.cz>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index d6d4494..e3450d1 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -163,7 +163,7 @@
 	  I2C bus.
 
 config I2C_PIIX4
-	tristate "Intel PIIX4"
+	tristate "Intel PIIX4 and compatible (ATI/Serverworks/Broadcom/SMSC)"
 	depends on I2C && PCI
 	help
 	  If you say yes to this option, support will be included for the Intel
@@ -172,6 +172,9 @@
 	  of Broadcom):
 	    Intel PIIX4
 	    Intel 440MX
+	    ATI IXP200
+	    ATI IXP300
+	    ATI IXP400
 	    Serverworks OSB4
 	    Serverworks CSB5
 	    Serverworks CSB6