Hide and show boot settings override field

-Hide and show boot settings override field as this field will be
 available in few systems.

-Visibility of this field is dependent on API value which is
 "BootSourceOverrideTarget@Redfish.AllowableValues" from API
 "/redfish/v1/Systems/system/"

Signed-off-by: Sukanya Pandey <sukapan1@in.ibm.com>
Change-Id: Ibfd5d6b1f08e23ddc8d7deb0f6943ab6dd5b3756
diff --git a/src/views/Control/ServerPowerOperations/ServerPowerOperations.vue b/src/views/Control/ServerPowerOperations/ServerPowerOperations.vue
index d81510b..4ea7765 100644
--- a/src/views/Control/ServerPowerOperations/ServerPowerOperations.vue
+++ b/src/views/Control/ServerPowerOperations/ServerPowerOperations.vue
@@ -49,7 +49,7 @@
       </b-col>
     </b-row>
     <b-row>
-      <b-col sm="8" md="6" xl="4">
+      <b-col v-if="hasBootSourceOptions" sm="8" md="6" xl="4">
         <page-section
           :section-title="$t('pageServerPowerOperations.hostOsBootSettings')"
         >
@@ -182,6 +182,12 @@
     oneTimeBootEnabled() {
       return this.$store.getters['hostBootSettings/overrideEnabled'];
     },
+    hasBootSourceOptions() {
+      let bootOptions = this.$store.getters[
+        'hostBootSettings/bootSourceOptions'
+      ];
+      return bootOptions.length !== 0;
+    },
   },
   created() {
     this.startLoader();
@@ -191,6 +197,7 @@
       );
     });
     Promise.all([
+      this.$store.dispatch('hostBootSettings/getBootSettings'),
       this.$store.dispatch('controls/getLastPowerOperationTime'),
       bootSettingsPromise,
     ]).finally(() => this.endLoader());