Fix code syntax and warning errors

Changes:
    - Fixes the following warnings
      Line has trailing whitespace (TrailingWhitespace)
      Non-existing setting 'Foce Tags'

Tested:
  - Tested using robot --dryrun option and rflint tools.

Change-Id: I7ca659dbc0ef8c5acc53ed0d297cf6b6c8e05dca
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/openpower/ext_interfaces/test_lock_management.robot b/openpower/ext_interfaces/test_lock_management.robot
index d223db4..2de12ec 100644
--- a/openpower/ext_interfaces/test_lock_management.robot
+++ b/openpower/ext_interfaces/test_lock_management.robot
@@ -15,7 +15,7 @@
 Test Setup               Printn
 Test Teardown            FFDC On Test Case Fail
 
-Foce Tags                Lock_Management
+Force Tags               Lock_Management
 
 *** Variables ***