hg: dio/dev: 8072101: Support linux_x86 build

[sergey.nazarkin at oracle.com]

Changeset: 7e28d40db785
Author:    snazarki
Date:      2015-02-04 15:38 +0300
URL:       http://hg.openjdk.java.net/dio/dev/rev/7e28d40db785

8072101: Support linux_x86 build
Summary: CPU arch is subject to change from command line, READ is updated with an example
Reviewed-by: jld

! Makefile
! README