hg: build-infra/jdk8: Break out Hotspot legacy make variables from spec.gmk into hotspot-spec.gkm,

[magnus.ihse.bursie at oracle.com]

Changeset: cc3f18690033
Author:    ihse
Date:      2012-08-30 14:09 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/cc3f18690033

Break out Hotspot legacy make variables from spec.gmk into hotspot-spec.gkm,
so they are not unintentionally used by new build system.

! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
+ common/autoconf/hotspot-spec.gmk.in
! common/autoconf/spec.gmk.in
! common/makefiles/HotspotWrapper.gmk