hg: graal/graal-core: 2 new changesets

[doug.simon at oracle.com]

Changeset: 57f0c4c838e5
Author:    Doug Simon <doug.simon at oracle.com>
Date:      2016-02-08 23:03 +0100
URL:       http://hg.openjdk.java.net/graal/graal-core/rev/57f0c4c838e5

reverted use of jvmci.build reference to use jvmci.buildvms instead to support jvmci-9

! mx.graal/mx_graal_8.py

Changeset: 9e4d672065f0
Author:    Tom Rodriguez <tom.rodriguez at oracle.com>
Date:      2016-02-08 16:43 -0800
URL:       http://hg.openjdk.java.net/graal/graal-core/rev/9e4d672065f0

Merge pull request #9 from dougxc/fix_jvmci_build_reference

reverted use of jvmci.build reference to use jvmci.buildvms instead