Raven support added to umr

[tom.stdenis@xxxxxxx (Tom St Denis)]

Hi all,

I've pushed out a large commit which adds raven support to umr.  Since 
it's quite large I've bypassed the list.

The commit can be seen here:

https://cgit.freedesktop.org/amd/umr/commit/?id=6acc89e4ec159de470af1ec1b9f53d4e97c562bb

Cheers,
Tom