hg: build-infra/jdk8: Re-enable cross compilation from 64 bit linus to 32 bit linux using builddeps.

[fredrik.ohrstrom at oracle.com]

Changeset: 18aae1ea8f30
Author:    ohrstrom
Date:      2012-09-13 13:08 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/18aae1ea8f30

Re-enable cross compilation from 64 bit linus to 32 bit linux using builddeps.

! common/autoconf/boot-jdk.m4
! common/autoconf/configure.ac
! common/autoconf/generated-configure.sh
! common/autoconf/toolchain.m4