MLECO-1982: Update to using latest ethos-u embedded components

Change-Id: I744a4eb2553207004c9403b956e5bd9e9b352bfb
Signed-off-by: Isabella Gottardi <isabella.gottardi@arm.com>
diff --git a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/uart_stdout.c b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/uart_stdout.c
index ed12c8b..3211c4d 100644
--- a/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/uart_stdout.c
+++ b/source/application/hal/platforms/bare-metal/bsp/bsp-packs/mps3/uart_stdout.c
@@ -111,6 +111,10 @@
                 lp++;                           /* Increment line pointer         */
                 cnt++;                          /* and count.                     */
                 c = LF;
+                UartPutc (*lp = c);             /* Echo and store character.      */
+                fflush (stdout);
+                lp++;                           /* Increment line pointer         */
+                    cnt++;                      /* and count.                     */
                 break;
             default:
                 UartPutc (*lp = c);             /* Echo and store character.      */