Code update: Fix TFTP

For TFTP use
/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate

https://github.com/openbmc/docs/blob/master/REDFISH-cheatsheet.md

Change-Id: I4deb82b16c5b91e15958a2248604a6f6323e5185
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
diff --git a/src/store/modules/Configuration/FirmwareStore.js b/src/store/modules/Configuration/FirmwareStore.js
index ead5199..5386517 100644
--- a/src/store/modules/Configuration/FirmwareStore.js
+++ b/src/store/modules/Configuration/FirmwareStore.js
@@ -130,7 +130,10 @@
         await dispatch('setApplyTimeImmediate');
       }
       return await api
-        .post('/redfish/v1/UpdateService', data)
+        .post(
+          '/redfish/v1/UpdateService/Actions/UpdateService.SimpleUpdate',
+          data
+        )
         .then(() => dispatch('getSystemFirwareVersion'))
         .then(() => i18n.t('pageFirmware.toast.successUploadMessage'))
         .catch(error => {