Retrieves the next PCD token space from a token space specified by Guid.\r
Guid of NULL is reserved to mark the default local token namespace on the current\r
platform. If Guid is NULL, then the GUID of the first non-local token space of the \r
current platform is returned. If Guid is the last non-local token space, \r
then NULL is returned. \r
Retrieves the next PCD token space from a token space specified by Guid.\r
Guid of NULL is reserved to mark the default local token namespace on the current\r
platform. If Guid is NULL, then the GUID of the first non-local token space of the \r
current platform is returned. If Guid is the last non-local token space, \r
then NULL is returned. \r