Fix test tag typo in IPMI

Resolves  openbmc/openbmc-test-automation#2129

Change-Id: I4ddbe5562324a6edac8f71252afd6720fdd2fbb6
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ipmi/test_ipmi_chassis.robot b/ipmi/test_ipmi_chassis.robot
index 7d68b23..91f6afe 100644
--- a/ipmi/test_ipmi_chassis.robot
+++ b/ipmi/test_ipmi_chassis.robot
@@ -51,7 +51,7 @@
 
 Verify Soft Shutdown
     [Documentation]  Verify host OS shutdown softly via IPMI command.
-    [Tags]  Verify_Soft_Stutdown
+    [Tags]  Verify_Soft_Shutdown
 
     Redfish Power On  stack_mode=skip
     Run IPMI Standard Command  chassis power soft