Add uuid methods to create canonical representation

To enable UUIDs to be printed in canonical form, this commit adds
functions to generate a canonical string from UUID octets in either
standard octet order or GUID octet order.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: I43fb5cf82c11cb092ce8497568d6b84cdffaae9b
3 files changed