Add PoC of Arm DRTM specification version Beta-0

Change-Id: I26e6f2d4b2299edc246f5e8504d5d15b1399f640
diff --git a/include/lib/utils.h b/include/lib/utils.h
index 17ee9369..cd402c1 100644
--- a/include/lib/utils.h
+++ b/include/lib/utils.h
@@ -21,6 +21,11 @@
 	size_t nbytes;
 } mem_region_t;
 
+typedef struct p_mem_region {
+	unsigned long long base;
+	unsigned long long nbytes;
+} p_mem_region_t;
+
 /*
  * zero_normalmem all the regions defined in tbl.
  */