add missing symbol

SVN-Revision: 17994

target/linux/generic-2.6/config-2.6.30

@@ -1072,6 +1072,7 @@ CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_WM8350_I2C is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MG_DISK is not set
 # CONFIG_MIGRATION is not set
 CONFIG_MII=y
 CONFIG_MINI_FO=y