PR binutils/5072
* i386-dis.c: Update comments on '{', '}' and '|' to support
only AT&T and Intel modes.
(X86_64_4...X86_64_27): New.
(dis386): Updated. Use X86_64_4...X86_64_21.
(dis386_twobyte): Updated.
(float_mem): Likewise.
(x86_64_table): Add X86_64_4...X86_64_27.
(opc_ext_table): Updated. Use X86_64_22 and X86_64_27.
(putop): Updated handling of '{', '}' and '|' to support only
AT&T and Intel modes.