(MESS) pce_cd: fixed MSM volume. [Osso]

This fixes MT05249, with huge thanks to Ivan who spotted the problem. 
When converting the CD component to device I took the MSM lines from 
SGX which had zero'd volumes, instead of taking them from PCE which 
had the correct settings... it's better I don't count the time I spent checking 
the device code over and over in search of handler mistakes :-(