lib/hardwaremain: Add \n to "Boot failed" message

Change-Id: I106fccd725a5c944f4e8e0f196b31c9344f588c7
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/14984
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/lib/hardwaremain.c b/src/lib/hardwaremain.c
index 10ef96c..ab4d9f4 100644
--- a/src/lib/hardwaremain.c
+++ b/src/lib/hardwaremain.c
@@ -227,7 +227,7 @@
 {
 	payload_run();
 
-	printk(BIOS_EMERG, "Boot failed");
+	printk(BIOS_EMERG, "Boot failed\n");
 	/* Returning from this state will fail because the following signals
 	 * return to a completed state. */
 	return BS_PAYLOAD_BOOT;