Re: u-boot: separate build, assorted improvements

[Christian Weisgerber]

Klemens Nanni:

> - introduce ${MK} helper variable: better readability, less repitition
> 
> Tested on amd64 with obviously no PLIST change.
> Feedback? OK?

MK isn't defined anywhere in this diff.

-- 
Christian "naddy" Weisgerber                          na...@mips.inka.de