i2c-eg20t: support new device OKI SEMICONDUCTOR ML7213 IOH

Support new device OKI SEMICONDUCTOR ML7213 IOH.
The ML7213 which is for IVI(In-Vehicle Infotainment) is a companion
chip for the Atom E6xx series and compatible with the Intel EG20T
PCH.

Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 113505a..5b592df 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -639,12 +639,15 @@
 	  will be called xilinx_i2c.
 
 config I2C_EG20T
-        tristate "PCH I2C of Intel EG20T"
-        depends on PCI
-        help
-          This driver is for PCH(Platform controller Hub) I2C of EG20T which
-          is an IOH(Input/Output Hub) for x86 embedded processor.
-          This driver can access PCH I2C bus device.
+	tristate "Intel EG20T PCH/OKI SEMICONDUCTOR ML7213 IOH"
+	depends on PCI
+	help
+	  This driver is for PCH(Platform controller Hub) I2C of EG20T which
+	  is an IOH(Input/Output Hub) for x86 embedded processor.
+	  This driver can access PCH I2C bus device.
+
+	  This driver also supports the ML7213, a companion chip for the
+	  Atom E6xx series and compatible with the Intel EG20T PCH.
 
 comment "External I2C/SMBus adapter drivers"