boot/uboot: remove use of legacy xloader symbol
Commit "070b183d0c boot/xloader: remove package", from release 2018.11,
removed the package, but the symbol is still referenced.
Remove the reference to it.
Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 9b1b1763b754f8a25cf0f2a7fe05e53d256fe675)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Ricardo Martincoski