PPTT_ref zero when read from mpam_acpi_table

[jentlestea1]

diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index bdb3580..a7a5d73 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -930,6 +930,8 @@ struct acpi_mpam_header
u32 overflow_flags;
u32 error_interrupt;
u32 error_flags;

• u32 not_ready_max;

• u32 offset;
  };
  acpi_mpam_header includes not_ready_max and offset, PPTT_ref will be zero when parsing acpi table from mpam_acpi_table, because mpam driver travel every mpam cache/memory node according with it's length.
  node_hdr = (struct acpi_mpam_header *)table_offset;
  while (table_offset < table_end) {
  switch (node_hdr->type) {

  case ACPI_MPAM_TYPE_CACHE:
      ret = acpi_mpam_parse_cache(node_hdr, pptt);