Re-enable adm5120 mtd driver

SVN-Revision: 6620

target/linux/adm5120-2.6/config/default

@@ -199,7 +199,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MSDOS_FS is not set
 CONFIG_MTD=y
 # CONFIG_MTD_ABSENT is not set
-# CONFIG_MTD_ADM5120 is not set
+CONFIG_MTD_ADM5120=y
 # CONFIG_MTD_BLOCK is not set
 # CONFIG_MTD_BLOCK2MTD is not set
 # CONFIG_MTD_BLOCK_RO is not set