refactor(tc): print RSS interface test PSA status

Adding PSA status to print statement upon failing communication
initialization, non-volatile counter, and rotpk read interface calls in
platform_tests.

Change-Id: Ia949cc2d18e93efb68f663d0c4e5500ca9021a94
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>

plat/arm/board/tc/nv_counter_test.c

@@ -22,29 +22,29 @@ int nv_counter_test(void)
 
 	status = rss_comms_init(PLAT_RSS_AP_SND_MHU_BASE, PLAT_RSS_AP_RCV_MHU_BASE);
 	if (status != PSA_SUCCESS) {
-		printf("Failed to initialize RSS communication channel\n");
+		printf("Failed to initialize RSS communication channel - psa_status = %d\n", status);
 		return -1;
 	}
 
 	for (id = 0; id < 3; id++) {
 		status = rss_platform_nv_counter_read(id, sizeof(old_val), (uint8_t *)&old_val);
 		if (status != PSA_SUCCESS) {
-			printf("Failed during first id=(%d) rss_platform_nv_counter_read\n",
-				       id);
+			printf("Failed during first id=(%d) rss_platform_nv_counter_read - psa_status = %d\n",
+				       id, status);
 			return -1;
 		}
 
 		status = rss_platform_nv_counter_increment(id);
 		if (status != PSA_SUCCESS) {
-			printf("Failed during id=(%d) rss_platform_nv_counter_increment\n",
-					id);
+			printf("Failed during id=(%d) rss_platform_nv_counter_increment - psa_status = %d\n",
+					id, status);
 			return -1;
 		}
 
 		status = rss_platform_nv_counter_read(id, sizeof(new_val), (uint8_t *)&new_val);
 		if (status != PSA_SUCCESS) {
-			printf("Failed during second id=(%d) rss_platform_nv_counter_read\n",
-					id);
+			printf("Failed during second id=(%d) rss_platform_nv_counter_read - psa_status = %d\n",
+					id, status);
 			return -1;
 		}
 

plat/arm/board/tc/rotpk_test.c

@@ -35,7 +35,7 @@ int rotpk_test(void)
 
 	status = rss_comms_init(PLAT_RSS_AP_SND_MHU_BASE, PLAT_RSS_AP_RCV_MHU_BASE);
 	if (status != PSA_SUCCESS) {
-		printf("Failed to initialize RSS communication channel\n");
+		printf("Failed to initialize RSS communication channel - psa_status = %d\n", status);
 		return -1;
 	}
 
@@ -43,7 +43,7 @@ int rotpk_test(void)
 		status = rss_platform_key_read(key_ids[i].key_id, key_buf,
 			       sizeof(key_buf), &key_size);
 		if (status != PSA_SUCCESS) {
-			printf("Failed to retrieve %s\n", key_ids[i].key_id_name);
+			printf("Failed to retrieve %s - psa_status = %d\n", key_ids[i].key_id_name, status);
 			return -1;
 		}
 		print_hex(key_ids[i].key_id_name, key_size, key_buf);