Implement firmware upload function

Change-Id: Ie89793ec9add1fc9e5241b422cfff64784f7b078
Signed-off-by: Iftekharul Islam <iislam@us.ibm.com>
diff --git a/app/overview/controllers/system-overview-controller.html b/app/overview/controllers/system-overview-controller.html
index 895ec5f..0c314e6 100644
--- a/app/overview/controllers/system-overview-controller.html
+++ b/app/overview/controllers/system-overview-controller.html
@@ -51,7 +51,7 @@
 						</li>
 						<li class="overview__metadata-block">
 							<p class="content-label">Mac address</p>
-							<p class="courier-bold">70:E2:84:14:05:2F</p>
+							<p class="courier-bold"></p>
 						</li>
 						<li class="overview__metadata-block">
 							<p class="content-label">Firmware</p>