Remove syslib and migrate to lib

Changes:
   - Move files to lib and rename to align to lib naming
   - Update test suites using it.

Tested:
  - Test on sandbox with robot --dryrun to make sure
    the linkage is not broken.

Change-Id: I586c06dd3c4e544d87d130c3331886016af66437
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/redfish/extended/test_websocket.robot b/redfish/extended/test_websocket.robot
index afb86e6..3495630 100755
--- a/redfish/extended/test_websocket.robot
+++ b/redfish/extended/test_websocket.robot
@@ -14,7 +14,7 @@
 Resource             ../../lib/bmc_redfish_resource.robot
 Resource             ../../lib/logging_utils.robot
 Resource             ../../lib/dump_utils.robot
-Resource             ../../syslib/utils_os.robot
+Resource             ../../lib/os_utilities.robot
 Library              ../../lib/gen_cmd.py
 Library              OperatingSystem