hg: build-infra/jdk9/hotspot: * Add minimize-ram feature

[magnus.ihse.bursie at oracle.com]

Changeset: e152f31f1cb4
Author:    ihse
Date:      2015-10-10 11:21 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk9/hotspot/rev/e152f31f1cb4

* Add minimize-ram feature
* Various platform fixes.

! makefiles/JvmFeaturesConf.gmk
! makefiles/JvmPlatforms.gmk