libubootenv: Remove the DEPENDS on mtd-utils
It was only used for pulling in zlib, but this is now
a direct dependency.
Also move the DEPENDS to a more common location in the file.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit a99fd8b705be3b8c70cb0f17f60b013d989d625c)
Signed-off-by: Steve Sakoman <steve@sakoman.com>