hg: jdk9/dev: 8047763: Recognize sparc64 as a sparc platform

[david.holmes at oracle.com]

Changeset: 3bcbe7c40419
Author:    mikael
Date:      2014-06-23 14:08 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/3bcbe7c40419

8047763: Recognize sparc64 as a sparc platform
Reviewed-by: dholmes

! common/autoconf/generated-configure.sh
! common/autoconf/platform.m4