feat(rmm): pass RD pointer in arg0 register X1

This patch makes changes according to RMM Specification
1.0-eac1 for passing RD pointer in arg0 for RMI_DATA_CREATE,
RMI_DATA_CREATE_UNKNOWN, RMI_REC_CREATE and RMI_RTT_CREATE
commands.

Signed-off-by: AlexeiFedorov <Alexei.Fedorov@arm.com>
Change-Id: Idc1392b22874f26fce7f4e578a08a4125c68ce69
diff --git a/runtime/rmi/rtt.c b/runtime/rmi/rtt.c
index df08dd5..ebcd395 100644
--- a/runtime/rmi/rtt.c
+++ b/runtime/rmi/rtt.c
@@ -78,8 +78,8 @@
 	return validate_map_addr(map_addr, level, rd);
 }
 
-unsigned long smc_rtt_create(unsigned long rtt_addr,
-			     unsigned long rd_addr,
+unsigned long smc_rtt_create(unsigned long rd_addr,
+			     unsigned long rtt_addr,
 			     unsigned long map_addr,
 			     unsigned long ulevel)
 {
@@ -822,8 +822,8 @@
  * if @g_src == NULL, this implemented Data.CreateUnknown
  * and otherwise this implemented Data.Create.
  */
-static unsigned long data_create(unsigned long data_addr,
-				 unsigned long rd_addr,
+static unsigned long data_create(unsigned long rd_addr,
+				 unsigned long data_addr,
 				 unsigned long map_addr,
 				 struct granule *g_src,
 				 unsigned long flags)
@@ -926,14 +926,13 @@
 	return ret;
 }
 
-unsigned long smc_data_create(unsigned long data_addr,
-			      unsigned long rd_addr,
+unsigned long smc_data_create(unsigned long rd_addr,
+			      unsigned long data_addr,
 			      unsigned long map_addr,
 			      unsigned long src_addr,
 			      unsigned long flags)
 {
 	struct granule *g_src;
-	unsigned long ret;
 
 	if (flags != RMI_NO_MEASURE_CONTENT && flags != RMI_MEASURE_CONTENT) {
 		return RMI_ERROR_INPUT;
@@ -944,16 +943,14 @@
 		return RMI_ERROR_INPUT;
 	}
 
-	ret = data_create(data_addr, rd_addr, map_addr, g_src, flags);
-
-	return ret;
+	return data_create(rd_addr, data_addr, map_addr, g_src, flags);
 }
 
-unsigned long smc_data_create_unknown(unsigned long data_addr,
-				      unsigned long rd_addr,
+unsigned long smc_data_create_unknown(unsigned long rd_addr,
+				      unsigned long data_addr,
 				      unsigned long map_addr)
 {
-	return data_create(data_addr, rd_addr, map_addr, NULL, 0);
+	return data_create(rd_addr, data_addr, map_addr, NULL, 0);
 }
 
 unsigned long smc_data_destroy(unsigned long rd_addr,
@@ -1148,6 +1145,7 @@
 
 	rtt_walk_lock_unlock(g_rtt_root, sl, ipa_bits,
 				map_addr, level, &wi);
+
 	if (wi.last_level != level) {
 		ret = pack_return_code(RMI_ERROR_RTT, wi.last_level);
 		goto out_unlock_llt;