* elfcode.h (elf_slurp_reloc_table): Add dynamic parameter.

	* elfcode.h (elf_slurp_reloc_table): Add dynamic parameter.
	* elf.c (_bfd_elf_canonicalize_reloc): Pass new argument to
	slurp_reloc_table.
	(_bfd_elf_get_dynamic_reloc_upper_bound): New function.
	(_bfd_elf_canonicalize_dynamic_reloc): New function.
	* elf-bfd.h (struct elf_size_info): Update declaration of
	slurp_reloc_table.
	(_bfd_elf_get_dynamic_reloc_upper_bound): Declare.
	(_bfd_elf_canonicalize_dynamic_reloc): Declare.
	* elfxx-target.h: Use new dynamic reloc routines by default.
	* elf64-mips.c (mips_elf64_slurp_reloc_table): Add dynamic
	parameter.