This results in setting format specific data (format info, extract
commands) in a single function. It should help maintaining sysupgrade
code.
This change has been tested on Asus GT-AC5300 and Netgear R8000P.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 30b168b9b8)
It supports flashing OpenWrt images (bootfs & UBI upgrade) as well as
vendor images (whole MTD partition write).
Upgrading cferom is unsupported. It requires copying device specific
data (like MAC) to target image before flashing.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit a6a0b252ba)