ELF options may be missing from `ld --help' output after migration to ld_list_options

[Alan Modra]

On Thu, May 14, 2015 at 06:40:57PM +0800, Chung-Lin Tang wrote:
>         * configure.ac (AC_PROG_GREP): Check for grep program.
>         (elf_list_options,elf_shlib_list_options,elf_plt_unwind_list_options):
>         Enable ELF option printing for emulations containing 'TEMPLATE_NAME=elf32'.
>         * configure: Regenerate.

Thanks!  I've applied this with a few small tweaks.  Other targets,
eg. hppa-linux, need this too.

-- 
Alan Modra
Australia Development Lab, IBM