The current build recipe creates a lzma based initramfs and
a gzip based sysupgrade (installation) image. No need to
use different compression methods. Use lzma for both.
Tested-by: Andrew LaMarche <andrewjlamarche@gmail.com>
Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/19669
Signed-off-by: Robert Marko <robimarko@gmail.com>