Fix openpower secure boot test

Changes:
   - 1)Explicitly removing the gaurd partition
      (Corrected the path and used new variable).
   - 2)Remove Clear BMC Gard record keyword because of conflict.

Tested: Verified working.

Resolve openbmc/openbmc-test-automation#1635

Change-Id: I8ba3cce07d0d20f3ebc4d4c3f732db7cb2f35f52
Signed-off-by: Lakshminarayana R. Kammath <lkammath@in.ibm.com>
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/openpower/secureboot/secure.robot b/openpower/secureboot/secure.robot
index 2398453..ceac1e4 100644
--- a/openpower/secureboot/secure.robot
+++ b/openpower/secureboot/secure.robot
@@ -24,6 +24,7 @@
 # Description of BC8A1E07    A problem occurred during the IPL of the system.
 ${pnor_corruption_src}       BC8A1E07
 ${bmc_image_dir_path}        /usr/local/share/pnor
+${bmc_guard_dir_path}        /var/lib/phosphor-software-manager/pnor/prsv
 ${FFDC_TOOL_DIR_PATH}        ${EMPTY}
 
 *** Test Cases ***
@@ -170,10 +171,16 @@
     Run  export PATH=$PATH:${FFDC_TOOL_DIR_PATH}
     Set Environment Variable  ${FFDC_TOOL_DIR_PATH}  ${FFDC_TOOL_DIR_PATH}
     ${bmc_image_dir_path}=  Add Trailing Slash  ${bmc_image_dir_path}
+    ${bmc_guard_dir_path}=  Add Trailing Slash  ${bmc_guard_dir_path}
+
     Set Global Variable  ${bmc_image_dir_path}
     Log  ${bmc_image_dir_path}
     BMC Execute Command  rm -rf ${bmc_image_dir_path}*
 
+    Set Global Variable  ${bmc_guard_dir_path}
+    Log  ${bmc_guard_dir_path}
+    BMC Execute Command  rm -rf ${bmc_guard_dir_path}*
+
 
 Test Setup Execution
     [Documentation]  Test setup execution.
@@ -185,7 +192,7 @@
 
     REST Power Off  stack_mode=skip  quiet=1
     Delete Error Logs And Verify
-    Clear BMC Gard record
+
 
 
 Test Teardown Execution