pkg/storage: add XFS UUID support
pkg/storage: add XFS UUID support

Signed-off-by: Pablo Mazzini <3da3dd0f042928f1e03a4443298cc3c031a011c2@gmail.com>
Signed-off-by: Chris Koch <cd2178739c1fb8f241acc6c7bd5abe02c150d7e5@google.com>

u-root/u-root,hugelgupf/u-root,GanShun/u-root,GanShun/u-root,hugelgupf/u-root,GanShun/u-root,hugelgupf/u-root,u-root/u-root,u-root/u-root,hugelgupf/u-root