Update power policy from RESTORE_LAST_STATE to ALWAYS_POWER_OFF

ALWAYS_POWER_OFF is the current default policy.

Resolves  openbmc/openbmc-test-automation#1162

Change-Id: I7978afd38c46fb365d7c90cd6d276249cb576cc7
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/lib/obmc_boot_test.py b/lib/obmc_boot_test.py
index 35aa86b..0c81a0b 100755
--- a/lib/obmc_boot_test.py
+++ b/lib/obmc_boot_test.py
@@ -350,7 +350,7 @@
 
     grp.rqprint_pgm_header()
 
-    grk.run_key("Set BMC Power Policy  RESTORE_LAST_STATE")
+    grk.run_key("Set BMC Power Policy  ALWAYS_POWER_OFF")
 
     initial_plug_in_setup()