Convert users of the "fonfxc" and "sge" parsers to the generic
"openwrt,uimage", using device specific "openwrt,padding" properties.
Tested-by: Stijn Segers <foss@volatilesystems.org> [DIR-878 A1]
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: maurerr <mariusd84@gmail.com>