x86: Check invalid TLS descriptor call

x86: Check invalid TLS descriptor call

TLS descriptor call,

call *x@tlsdesc(%rax)

or

call *x@tlsdesc(%eax)

calls _dl_tlsdesc_return which expects that RAX/EAX points to the TLS
descriptor.  Update x86 linker to issue an error with or without TLS
transition.

bfd/

	PR ld/32123
	* elf32-i386.c (elf_i386_check_tls_transition): Move
	R_386_TLS_DESC_CALL to ...
	(elf_i386_tls_transition): Here.
	* elf64-x86-64.c (elf_x86_64_check_tls_transition): Move.
	R_X86_64_TLSDESC_CALL check to ...
	(elf_x86_64_tls_transition): Here.

ld/

	PR ld/32123
	* testsuite/ld-i386/i386.exp: Run tlsgdesc3.
	* testsuite/ld-i386/tlsgdesc3.d: New file.
	* testsuite/ld-x86-64/tlsdesc5.d: Likewise.
	* testsuite/ld-x86-64/x86-64.exp: Run tlsdesc5.

Signed-off-by: H.J. Lu <hjl.tools@gmail.com>