hg: jdk9/sandbox: Adding initial bootjdk detection code for bsd.

[magnus.ihse.bursie at oracle.com]

Changeset: bdf0335c7529
Author:    ihse
Date:      2015-10-25 22:55 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/rev/bdf0335c7529

Adding initial bootjdk detection code for bsd.

! common/autoconf/boot-jdk.m4
! common/autoconf/generated-configure.sh