hg: panama/panama/jdk: Check os.arch for amd64 in addition to x86_64

[mikael.vidstedt at oracle.com]

Changeset: ff51bb3b502a
Author:    mikael
Date:      2016-02-25 19:49 -0800
URL:       http://hg.openjdk.java.net/panama/panama/jdk/rev/ff51bb3b502a

Check os.arch for amd64 in addition to x86_64

! test/panama/snippets/CPUID.java