mtd: make the dump commnd honour the -o option

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43512 3c298f89-4303-0410-b956-a3cf2f4a3e73
procd: more nand takeover fixes

if the initramfs kernel and payload were flashed in one block, the payload might not be at the start of the ubi partition due to bad blocks inside the kernel partition.

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43513 3c298f89-4303-0410-b956-a3cf2f4a3e73
ralink: mt7621 is a 1004Kc

Signed-off-by: L. D. Pinney <ldpinney@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43514 3c298f89-4303-0410-b956-a3cf2f4a3e73