Update OverviewStore to use redfish api

Changed OverviewStore call from D-Bus to redfish to get
server model, serial number, and manufacturer info.

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: Ia0a0a87f1199b2e64d2bb501a719063a01a8aea4
diff --git a/src/store/modules/Overview/OverviewStore.js b/src/store/modules/Overview/OverviewStore.js
index 8d0613a..30558d8 100644
--- a/src/store/modules/Overview/OverviewStore.js
+++ b/src/store/modules/Overview/OverviewStore.js
@@ -25,9 +25,9 @@
   actions: {
     getServerInfo({ commit }) {
       api
-        .get('/xyz/openbmc_project/inventory/system')
+        .get('/redfish/v1/Systems/system')
         .then(response => {
-          const serverInfo = response.data.data;
+          const serverInfo = response.data;
           if (serverInfo.Model) {
             commit('setServerModel', serverInfo.Model);
           }