Add symlink for toybox tar.

Test: treehugger
Change-Id: I530f2ba9f85feec13e54f2deac6eef3e3b51ec2c
diff --git a/path/linux-x86/tar b/path/linux-x86/tar
new file mode 120000
index 0000000..c6b4b1f
--- /dev/null
+++ b/path/linux-x86/tar
@@ -0,0 +1 @@
+../../linux-x86/bin/toybox
\ No newline at end of file