Record acpi_gtdt_watchdog

struct acpi_gtdt_watchdog {
  struct acpi_gtdt_entry_hdr hdr;
  uacpi_u8 rsvd;
  uacpi_u64 refresh_frame;
  uacpi_u64 control_frame;
  uacpi_u32 gsiv;
  uacpi_u32 flags;
  /* Full declaration omitted */ 
}