Tidy ld/ldmisc.c

Tidy ld/ldmisc.c

The idea here is to not use elf-bfd.h and coff-bfd.h in generic linker
code.

bfd/
	* targets.c (struct bfd_target): Add _bfd_group_name.
	(BFD_JUMP_TABLE): Likewise.
	* coffgen.c (bfd_coff_group_name): New function.
	* elf.c (bfd_elf_group_name): New function.
	* linker.c (_bfd_nolink_bfd_group_name): New function.
	* section.c (bfd_generic_group_name): New function.
	* elf-bfd.h (bfd_elf_group_name): Declare.
	* libbfd-in.h (_bfd_nolink_bfd_group_name): Declare.
	* libcoff-in.h (bfd_coff_group_name): Declare.
	* aout-target.h (MY_bfd_group_name): Define.
	* aout-tic30.c (MY_bfd_group_name): Define.
	* bfd.c (bfd_group_name): Define.
	* binary.c (binary_bfd_group_name): Define.
	* coff-alpha.c (_bfd_ecoff_bfd_group_name): Define.
	* coff-mips.c (_bfd_ecoff_bfd_group_name): Define.
	* coff-rs6000.c (_bfd_xcoff_bfd_group_name): Define.
	* coffcode.h (coff_bfd_group_name): Define.
	* elfxx-target.h (bfd_elfNN_bfd_group_name): Define.
	* i386msdos.c (msdos_bfd_group_name): Define.
	* ihex.c (ihex_bfd_group_name): Define.
	* mach-o-target.c (bfd_mach_o_bfd_group_name): Define.
	* mmo.c (mmo_bfd_group_name): Define.
	* pef.c (bfd_pef_bfd_group_name): Define.
	* plugin.c (bfd_plugin_bfd_group_name): Define.
	* ppcboot.c (ppcboot_bfd_group_name): Define.
	* som.c (som_bfd_group_name): Define.
	* srec.c (srec_bfd_group_name): Define.
	* tekhex.c (tekhex_bfd_group_name): Define.
	* verilog.c (verilog_bfd_group_name): Define.
	* vms-alpha.c (vms_bfd_group_name, alpha_vms_bfd_group_name): Define.
	* xsym.c (bfd_sym_bfd_group_name): Define.
	* coff64-rs6000.c (rs6000_xcoff64_vec): Init new field.
	(rs6000_xcoff64_aix_vec): Likewise.
	* bfd-in2.h: Regenerate.
	* libbfd.h: Regenerate.
	* libcoff.h: Regenerate.
ld/
	* ldmisc.c: Don't #include elf-bfd.h or coff-bfd.h.
	(vfinfo): Use bfd_group_name.