cris: bfd: Default selected target to the configured target

cris: bfd: Default selected target to the configured target

Whether targ_defvec is set to the best match for the configured target
or some of the other supported targets usually doesn't matter, as the
actual target being used, usually is set by some other mechanism, like
an input object file.

In some situations it matters though: it might be confusing to see
--help output not showing the configured target first in the list of
supported targets.  Also, some corner cases risk running into bugs like
PR33485, for cris-elf and cris-linux because cris_aout_vec is the
default target where instead the bug-free behavior of
cris_elf32_us_vec or cris_elf32_vec would be expected.

The test just verifies that the target list emitted for the --help
option has the expected target first.

bfd:

	* config.bfd <cris-*-* | crisv32-*-*>: Split into <cris-*-*aout*>,
	<cris-*-linux-* | crisv32-*-linux-*>, <cris-*-* | crisv32-*-*> cases
	respectively setting targ_defvec per the target instead of always
	cris_aout_vec.

binutils:

	* testsuite/binutils-all/cris: New directory intended for
	tests focused on behavior of the binutils programs, not the assembler
	or linker.
	* testsuite/binutils-all/cris/cris.exp: New file with run_dump_test
	loop.
	testsuite/binutils-all/cris/tgt-a.d,
	testsuite/binutils-all/cris/tgt-e.d,
	testsuite/binutils-all/cris/tgt-l.d: New tests.

Co-authored-by: Maciej W. Rozycki <macro@redhat.com>