Replace $(ELF_DEPS) with $(ELF_X86_DEPS)

Replace $(ELF_DEPS) with $(ELF_X86_DEPS)

Define ELF_X86_DEPS with $(ELF_DEPS) plus emulparams/plt_unwind.sh,
extern_protected_data.sh and call_nop.sh.

	* Makefile.am (ELF_X86_DEPS): New.
	(eelf_i386.c): Replace $(ELF_DEPS) with $(ELF_X86_DEPS).
	(eelf_i386_chaos.c): Likewise.
	(eelf_i386_fbsd.c): Likewise.
	(eelf_i386_ldso.c): Likewise.
	(eelf_i386_nacl.c): Likewise.
	(eelf_i386_sol2.c): Likewise.
	(eelf_iamcu.c): Likewise.
	(eelf32_x86_64.c): Likewise.
	(eelf32_x86_64_nacl.c): Likewise.
	(eelf_l1om.c): Likewise.
	(eelf_l1om_fbsd.c): Likewise.
	(eelf_k1om.c): Likewise.
	(eelf_k1om_fbsd.c): Likewise.
	(eelf_x86_64.c): Likewise.
	(eelf_x86_64_cloudabi.c): Likewise.
	(eelf_x86_64_fbsd.c): Likewise.
	(eelf_x86_64_sol2.c): Likewise.
	* Makefile.in: Regenerated.