uboot-envtools: Change download to git.

Currently, the build system uses an openwrt mirror which does not currently
work and FTP can be unreliable under several circumstances. This change
implicitly allows using all the mirrors to download.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
This commit is contained in:
Rosen Penev 2018-05-01 12:59:05 -07:00 committed by John Crispin
parent c67a9bed20
commit 3aa28f4833