Adding link for BaseTools/Bin/PosixLike/Trim to allow tool to be run

during the build process.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4228 6f19259b-4bc3-4df7-8a09-765794883524

diff --git a/BaseTools/Bin/PosixLike/Trim b/BaseTools/Bin/PosixLike/Trim
new file mode 120000 (symlink)
index 0000000..af6c748
--- /dev/null
+++ b/BaseTools/Bin/PosixLike/Trim
@@ -0,0 +1 @@
+RunToolFromSource
\ No newline at end of file