Update fetch_base_inputs.yml

Signed-off-by: abhishek-sa1 <abhishek.sa3@dell.com>

control_plane/roles/control_plane_common/tasks/fetch_base_inputs.yml

@@ -42,7 +42,7 @@
 
 - name: Validate management network nic
   assert:
-    that: mngmnt_network_nic | length < 1
+    that: mngmnt_network_nic | length > 1
     fail_msg: "{{ input_base_failure_msg }}"
   when: device_config_support