Enable CT power on for Witherspoon

Resolves openbmc/openbmc-test-automation#356

Change-Id: I1a5654f442841646f4db704555efc79b773e13eb
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/test_lists/skip_test_witherspoon b/test_lists/skip_test_witherspoon
index 9780d6d..81c9d33 100644
--- a/test_lists/skip_test_witherspoon
+++ b/test_lists/skip_test_witherspoon
@@ -39,7 +39,6 @@
 -e IPMI_Chassis_Restore_Power_Policy
 #Pre bringup list
 -e Repeated_Testing
--e power_on_test
 -e inventory
 -e powercapping
 -e io_board_Present