Record acpi_dmar_rmrr

struct acpi_dmar_rmrr {
  struct acpi_dmar_entry_hdr hdr;
  uacpi_u16 rsvd;
  uacpi_u16 segment;
  uacpi_u64 base;
  uacpi_u64 limit;
  struct acpi_dmar_dss[] entries;
  /* Full declaration omitted */ 
}