[alsa-devel] UCM updates and fixes

Jarolsav,

This fixes the remaining issues I can currently see in the alsa-lib ucm branch. It also includes a patch to execute commands, although I dont know if this is what you had in mind for exec.

I've also done quite a bit of testing now. What is your merge plan for UCM ? We really need UCM merged soon as there are many users who depend on it.

Thanks

Liam