hg: graal/graal-compiler: Update jvmci import revision

[doug.simon at oracle.com]

Changeset: bdf6b2a608d1
Author:    Stefan Anzinger <stefan.anzinger at oracle.com>
Date:      2015-09-05 06:13 +0200
URL:       http://hg.openjdk.java.net/graal/graal-compiler/rev/bdf6b2a608d1

Update jvmci import revision

! mx.graal/suite.py