Install opal prd tool on OS

Resolves  openbmc/openbmc-test-automation#613

Change-Id: Ibde07e5ae39bbf2e4c2fa37a13ddfe24d4811d8b
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/syslib/utils_os.robot b/syslib/utils_os.robot
index 71b57fe..ffccdee 100755
--- a/syslib/utils_os.robot
+++ b/syslib/utils_os.robot
@@ -36,12 +36,15 @@
     Login  ${os_username}  ${os_password}
 
 
-HTX Tool Exist
-    [Documentation]  Check whether HTX exerciser is installed on OS.
+Tool Exist
+    [Documentation]  Check whether given tool is installed on OS.
+    [Arguments]  ${tool_name}
+    # Description of argument(s):
+    # tool_name   Tool name whose existence is to be checked.
     Login To OS
-    ${output}=  Execute Command On OS  which htxcmdline
-    Should Contain  ${output}  htxcmdline
-    ...  msg=Please install HTX exerciser.
+    ${output}=  Execute Command On OS  which ${tool_name}
+    Should Contain  ${output}  ${tool_name}
+    ...  msg=Please install ${tool_name} tool.
 
 
 Boot To OS