kernel: add missing symbol

Signed-off-by: John Crispin <[email protected]>

SVN-Revision: 45218

target/linux/generic/config-3.18

@@ -3916,6 +3916,7 @@ CONFIG_TINY_RCU=y
 # CONFIG_TI_DAVINCI_MDIO is not set
 # CONFIG_TI_ST is not set
 # CONFIG_TLAN is not set
+# CONFIG_TWL4030_MADC is not set
 # CONFIG_TMD_HERMES is not set
 # CONFIG_TMP006 is not set
 CONFIG_TMPFS=y