* config/tc-s390.c (elf_suffix_type): Add suffix enums for gotoff,

	* config/tc-s390.c (elf_suffix_type): Add suffix enums for gotoff,
	gotplt and pltoff relocations.
	(s390_elf_suffix): Add suffix strings for gotoff, gotplt and pltoff.
	(s390_elf_cons): Map new lenght/elf suffix combinations for gotoff,
	gotplt and pltoff to bfd relocations.
	(md_gather_operands): Map new instruction operand/elf suffix
	combinations to bfd relocations.
	(tc_s390_fix_adjustable): Add new gotoff, gotplt and pltoff relocations
	to the list of unadjustable relocations.
	(tc_s390_force_relocation): Always emit relocations for gotoff, gotplt
	and pltoff relocations.
	(md_apply_fix3): Add the new relocations.