lantiq: add a default for CONFIG_MTD_NAND_XWAY to fix build errors

Signed-off-by: Felix Fietkau <[email protected]>

SVN-Revision: 38243

target/linux/lantiq/config-default

@@ -103,6 +103,7 @@ CONFIG_MTD_CFI_ADV_OPTIONS=y
 CONFIG_MTD_CFI_GEOMETRY=y
 CONFIG_MTD_CMDLINE_PARTS=y
 CONFIG_MTD_LANTIQ=y
+# CONFIG_MTD_NAND_XWAY is not set
 CONFIG_MTD_OF_PARTS=y
 CONFIG_MTD_PHYSMAP_OF=y
 CONFIG_MTD_SPLIT_FIRMWARE=y