Fixing OFDPA installation scripts

Change-Id: Iba0b8298cda540af18e354d626ddb1915adc7c22
diff --git a/roles/fabric-switch/defaults/main.yml b/roles/fabric-switch/defaults/main.yml
index 9526484..9b7ebc1 100644
--- a/roles/fabric-switch/defaults/main.yml
+++ b/roles/fabric-switch/defaults/main.yml
@@ -18,13 +18,13 @@
 pub_ssh_key: "{{ lookup('file', pub_ssh_key_file_location+'/cord_rsa.pub') }}"
 
 switch_ouis:
-  - accton:
+  accton:
     - "cc37ab"
     - "7072cf"
     - "c4393a"
     - "8cea1b"
     - "a82bb5"
     - "480fcf"
-  - qct:
+  qct:
     - "2c600c"
     - "54ab3a"