Fix the __deepcopy__ implementation
Fix the __deepcopy__ implementation

The current implementation is not working as expected.  This ensures
the copy constructor is being used to create a new instance.

Signed-off-by: Jason Albert <fa03034561e2b166380dd3e144e93f10ef6a69c2@us.ibm.com>

open-power/eCMD,mklight/eCMD,mklight/eCMD,open-power/eCMD,open-power/eCMD,mklight/eCMD,open-power/eCMD,open-power/eCMD,mklight/eCMD,mklight/eCMD