Adding README.mips to Valgrind root directory.

The file lists supported platforms and tools, and it gives suggestions how to
use configure options depending on platform and toolchain.
Previously, these instructions were available at:
https://bugs.kde.org/show_bug.cgi?id=270777.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12676 a5019735-40e9-0310-863c-91ae7b9d1cf9
1 file changed