Update Redfish check for boot test

choose redfish keywords if user specified redfish_support_trans_state

Change-Id: I353bf9cd8a012661b3e909597ba06fdd88f93292
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/obmc_boot_test.py b/lib/obmc_boot_test.py
index fc982e9..41cfd4e 100755
--- a/lib/obmc_boot_test.py
+++ b/lib/obmc_boot_test.py
@@ -75,7 +75,7 @@
     redfish = BuiltIn().get_library_instance('redfish')
     default_power_on = "Redfish Power On"
     default_power_off = "Redfish Power Off"
-    if redfish_rest_supported:
+    if not redfish_support_trans_state:
         delete_errlogs_cmd = "Delete Error Logs  ${quiet}=${1}"
         delete_bmcdump_cmd = "Delete All BMC Dump"
         default_set_power_policy = "Set BMC Power Policy  ALWAYS_POWER_OFF"