Extract convert_load_reloc from x86 convert_load

	* elf32-i386.c (elf_i386_convert_load): Extract the GOT load
	conversion to ...
	(elf_i386_convert_load_reloc): This.  New function.
	* elf64-x86-64.c (elf_x86_64_convert_load): Extract the GOT load
	conversion to ...
	(elf_x86_64_convert_load_reloc): This.  New function.