hg: jdk9/dev: 8138627: Better help message in configure for reduced builds (target-bits=32)

[magnus.ihse.bursie at oracle.com]

Changeset: 1bd7043059ae
Author:    ihse
Date:      2015-09-30 11:38 +0200
URL:       http://hg.openjdk.java.net/jdk9/dev/rev/1bd7043059ae

8138627: Better help message in configure for reduced builds (target-bits=32)
Reviewed-by: erikj

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