vmbus: Switch to use new generic UUID API

There are new types and helpers that are supposed to be used in new code.

As a preparation to get rid of legacy types and API functions do
the conversion here.

Cc: "K. Y. Srinivasan" <[email protected]>
Cc: Haiyang Zhang <[email protected]>
Cc: Stephen Hemminger <[email protected]>
Cc: [email protected]
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by:  Michael Kelley <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
5 files changed