App: Fix TF-M Application example

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: Ie946c15371ad4b7854595a38f19c8357f4f4ea59
diff --git a/examples/tf-m-example-ns-app/main.c b/examples/tf-m-example-ns-app/main.c
index 8c1f7dc..9428c7b 100644
--- a/examples/tf-m-example-ns-app/main.c
+++ b/examples/tf-m-example-ns-app/main.c
@@ -63,7 +63,7 @@
     printf("Hello TF-M world\r\n");
 
     uint32_t fw_version = psa_framework_version();
-    printf("FW  version = %d\r\n", fw_version);
+    printf("PSA Framework Version = %d.%d\r\n", fw_version >> 8, fw_version & 0xFF);
 
     uint8_t number;
     printf("Testing psa get random number...\r\n");