[Buildroot] [PATCH] Reset critical environment variables

[Peter Korsgaard]

>>>>> "Daniel" == Daniel Nyström <daniel.nystrom at timeterminal.se> writes:

 Daniel> Reset them early in top-level Makefile to ensure they're keept unset
 Daniel> all the way through the build process.

 Daniel> This also removes the requirement of these variables being unset
 Daniel> globally prior the build.

Committed, thanks.

-- 
Bye, Peter Korsgaard