hg: build-infra/jdk8: Rename all "host" to "target" in the cross-compilation sense of the target

[magnus.ihse.bursie at oracle.com]

Changeset: b692ba35bbb9
Author:    ihse
Date:      2012-05-24 10:51 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/b692ba35bbb9

Rename all "host" to "target" in the cross-compilation sense of the target
platform.

! common/autoconf/builddeps.conf.example
! common/autoconf/builddeps.m4
! common/autoconf/configure.ac
! common/autoconf/generated-configure.sh
! common/autoconf/platform.m4
! common/autoconf/spec.gmk.in
! common/makefiles/NativeCompilation.gmk