Automation fix to separate Set Apply time and Redfish upload image keyword

Separate the 2 keyword from 1.
1. Redfish Upload Image And Check Progress State
2. Set ApplyTime  policy

Change-Id: Iab54be0f20371fa664681b82cde4a5416a27ab53
Signed-off-by: Sushil Singh <susilsi7@in.ibm.com>
diff --git a/redfish/extended/redfish_bmc_code_update.robot b/redfish/extended/redfish_bmc_code_update.robot
index 084ecac..ce8dbb1 100644
--- a/redfish/extended/redfish_bmc_code_update.robot
+++ b/redfish/extended/redfish_bmc_code_update.robot
@@ -128,7 +128,8 @@
     ${state}=  Get Pre Reboot State
     Rprint Vars  state
 
-    Redfish Upload Image And Check Progress State  Immediate
+    Set ApplyTime  policy=Immediate
+    Redfish Upload Image And Check Progress State
     Reboot BMC And Verify BMC Image
     ...  Immediate  start_boot_seconds=${state['epoch_seconds']}