fw_cfg: remove useless declarations from typedefs.h

Only FWCfgState is used as part of APIs such as acpi_ghes_add_fw_cfg.
Everything else need not be in typedefs.h.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2 files changed