i2c-i801: SMBus patch for Intel DH89xxCC DeviceIDs

Add the SMBus Controller DeviceIDs for the Intel DH89xxCC PCH.

Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index 93fe76e..6df6976 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -16,8 +16,9 @@
   * Intel EP80579 (Tolapai)
   * Intel 82801JI (ICH10)
   * Intel 5/3400 Series (PCH)
-  * Intel Cougar Point (PCH)
+  * Intel 6 Series (PCH)
   * Intel Patsburg (PCH)
+  * Intel DH89xxCC (PCH)
    Datasheets: Publicly available at the Intel website
 
 On Intel Patsburg and later chipsets, both the normal host SMBus controller