unix: Update .gitignore for "fast" and "minimal" builds.

51ef28a9 · Damien George · 3926c72d · 51ef28a9
Commit 51ef28a9 authored Jan 16, 2015 by Damien George
--- a/unix/.gitignore
+++ b/unix/.gitignore
 build
+build-fast
+build-minimal
 micropython
+micropython_fast
+micropython_minimal
 *.py