hg: build-infra/jdk8: * Look for objdump with devkit path.

[magnus.ihse.bursie at oracle.com]

Changeset: 853411910a7a
Author:    ihse
Date:      2012-09-26 14:51 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/853411910a7a

* Look for objdump with devkit path.
* Use standard way of finding proper objcopy.

! common/autoconf/basics.m4
! common/autoconf/generated-configure.sh
! common/autoconf/toolchain.m4