The replaces the custom uImageArcher build step with the generic uImage
build step. The only different between these two is the difference in
the generated name.
Tested on: TP-Link Archer C59 v1
Acked-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Signed-off-by: David Bauer <mail@david-bauer.net>