* elf32-mips.c (enum reloc_type): Define new relocs used on Irix.

	* elf32-mips.c (enum reloc_type): Define new relocs used on Irix.
	(elf_mips_howto_table): Add entries for new relocs.
	(mips_elf_section_from_shdr): Handle SHT_MIPS_MSYM,
	SHT_MIPS_DWARF, and SHT_MIPS_EVENTS.
	(mips_elf_fake_sections): Handle sections named .msym, .debug_*
	and .MIPS.events.*.