List the BMC/PNOR images before code update.

Resolves openbmc/openbmc-test-automation#1198

Change-Id: I8b894377fc9955ffd3012fb53bb44947381c89c1
Signed-off-by: Sweta Potthuri <spotthur@in.ibm.com>
diff --git a/extended/code_update/bmc_code_update.robot b/extended/code_update/bmc_code_update.robot
index 2865991..88ee6e7 100644
--- a/extended/code_update/bmc_code_update.robot
+++ b/extended/code_update/bmc_code_update.robot
@@ -70,6 +70,8 @@
     [Tags]  REST_BMC_Code_Update
     [Teardown]  REST BMC Code Update Teardown
 
+    Run Keyword And Ignore Error  List Installed Images  BMC
+
     Upload And Activate Image  ${IMAGE_FILE_PATH}
     ...  skip_if_active=${SKIP_UPDATE_IF_ACTIVE}
     OBMC Reboot (off)