Address issue for deprecated syntax

Change from :FOR to FOR/END to address a new WARNING in
the new robot version.

Sample warning message as mention below.

FOR loop starting on line 26: For loop header
': FOR' is deprecated. Use 'FOR' instead.

Signed-off-by: Sushil Singh <susilsi7@in.ibm.com>
Change-Id: I1720b3c7e6fbbafda3fca6f91edf97c80fdd9f41
diff --git a/ipmi/test_ipmi_sol.robot b/ipmi/test_ipmi_sol.robot
index 13ce00a..941d4dd 100644
--- a/ipmi/test_ipmi_sol.robot
+++ b/ipmi/test_ipmi_sol.robot
@@ -57,10 +57,12 @@
     [Tags]  Set_Valid_SOL_Privilege_Level
 
     ${privilege_level_list}=  Create List  user  operator  admin  oem
-    : FOR  ${item}  IN  @{privilege_level_list}
-    \  Set SOL Setting  privilege-level  ${item}
-    \  ${output}=  Get SOL Setting  Privilege Level
-    \  Should Contain  ${output}  ${item}  ignore_case=True
+
+    FOR  ${item}  IN  @{privilege_level_list}
+      Set SOL Setting  privilege-level  ${item}
+      ${output}=  Get SOL Setting  Privilege Level
+      Should Contain  ${output}  ${item}  ignore_case=True
+    END
 
 
 Set Invalid SOL Privilege Level