Use offset from struct mtd_part instead of struct mtd_partition for defining
the new partitions. This enables the usage of MTDPART_OFS_APPEND macro in
struct mtd_partition.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26705 3c298f89-4303-0410-b956-a3cf2f4a3e73