Fix various binutils testsuite failures.

Fix various binutils testsuite failures.

	* testsuite/binutils-all/ar.exp: Skip tests for Alpha target.
	Skip bfdtest1 tests for tic30 target.
	* testsuite/binutils-all/arm/objdump.exp: Skip for aout arm
	target.
	* testsuite/binutils-all/compress.exp: Expect some tests to fail
	on the nds32.
	* testsuite/binutils-all/copy-3.d: Skip for go32 targets.
	* testsuite/binutils-all/copy-4.d: Skip for AIX and linuxecoff
	targets.
	* testsuite/binutils-all/nm.exp: Treat beos based targets as ELF
	targets.
	* testsuite/binutils-all/objcopy.exp: Only run reverse bytes tests
	if the bintest.o file was created.  Use the
	get_standard_section_names proc to get the name of the data
	section.
	* testsuite/binutils-all/objdump.exp: Update regexps to allow for
	RX section names.
	* testsuite/binutils-all/readelf.exp: Use
	get_standard_section_names proc to get the name of the data
	section.
	* testsuite/binutils-all/readelf.r: Allow for non standard text
	section names.
	* testsuite/binutils-all/readelf.s: Update regexps for tilepro.
	* testsuite/binutils-all/size.exp: Allow for non standard section
	names.
	* testsuite/binutils-all/update-section.exp: Expect comapre 1vs4
	to fail on mips targets.
	* testsuite/lib/utils-lib.exp (default_binutils_run): Use
	get_standard_section_names proc.
	(run_dump_test): Likewise.
	(proc get_standard_section_names): New proc.