[aarch64-port-dev ] hg: aarch64-port/jdk8/jdk: Set ARCH_DATA_MODEL=64 for AArch64.

[aph at redhat.com]

Changeset: 7ecf627b6625
Author:    aph
Date:      2014-01-17 13:09 -0500
URL:       http://hg.openjdk.java.net/aarch64-port/jdk8/jdk/rev/7ecf627b6625

Set ARCH_DATA_MODEL=64 for AArch64.

! make/common/shared/Platform.gmk