Add newlines

Add missing newlines to pldm-stack.md.

Change-Id: I9e19ba3e35fabd5df4c3fbac97ba8351c6f81696
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
diff --git a/designs/pldm-stack.md b/designs/pldm-stack.md
index 92720fd..2c21326 100644
--- a/designs/pldm-stack.md
+++ b/designs/pldm-stack.md
@@ -1,7 +1,9 @@
 # PLDM stack on OpenBMC
 
 Author: Deepak Kodihalli <dkodihal@linux.vnet.ibm.com> <dkodihal>
+
 Primary assignee: Deepak Kodihalli
+
 Created: 2019-01-22
 
 ## Problem Description