Update README.md documentation

Change-Id: I862d323d40d2e2e7e82e8a8de74da459cc550f57
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/README.md b/README.md
index 4e6db1a..2cb2540 100755
--- a/README.md
+++ b/README.md
@@ -95,6 +95,8 @@
 
 `mnfg/`: Contains test cases for factory reset (DHCP mode) and PGOOD testing.
 
+`network/`: Contains test cases for network testing.
+
 `secureboot/`: Contains test cases for secure boot testing on a secure boot
                feature enabled system only.