Record acpi_srat_x2apic_affinity

struct acpi_srat_x2apic_affinity {
  struct acpi_entry_hdr hdr;
  uacpi_u16 rsvd0;
  uacpi_u32 proximity_domain;
  uacpi_u32 id;
  uacpi_u32 flags;
  uacpi_u32 clock_domain;
  uacpi_u32 rsvd1;
  /* Full declaration omitted */ 
}