Finish fixing riscv gas lns-common-1 failure, and lns-duplicate.

Finish fixing riscv gas lns-common-1 failure, and lns-duplicate.

	binutils/
	* readelf.c (elf/riscv.h): Alphabetize include.
	(is_32bit_inplace_add_reloc, is_32bit_inplace_sub_reloc)
	(is_64bit_inplace_add_reloc, is_64bit_inplace_sub_reloc)
	(is_16bit_inplace_add_reloc, is_16bit_inplace_sub_reloc)
	(is_8bit_inplace_add_reloc, is_8bit_inplace_sub_reloc): New.
	(apply_relocations): New locals reloc_inplace and reloc_subtract.
	Call the new functions and set the new locals.  Call byte_get if
	reloc_inplace.  Subtract sym->st_value if reloc_subtract.