Update README.md documentation

Added:
    - Updated feature section list.
    - Added "mnfg" directory description.

Change-Id: Ic4e2cbb474b17491ce1c14ffa82247ee938129f7
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/README.md b/README.md
index edec3de..94d8854 100755
--- a/README.md
+++ b/README.md
@@ -11,10 +11,11 @@
 * Reset BMC
 * Code update BMC and host
 * Power management
+* Fan controller
 * HTX bootme
 * XCAT execution
 * Network
-* IPMI support
+* IPMI support (generic and DCMI compliant)
 * Factory reset
 * RAS (Reliability, availability and serviceability)
 * Web UI testing
@@ -90,6 +91,8 @@
 
 `gui/`: Contains test cases for web UI and security scanning tool automation.
 
+`mnfg/`: Contains test cases for factory reset (DHCP mode) and PGOOD testing.
+
 `tools/`: Contains various tools.
 
 `templates/`: Contains sample code examples and setup testing.