u8500: add ST Ericsson audio configs

to enable add STE_AUDIO

ported from 02c69027ead653e17ceb597c364b17ebb69cebe9

Change-Id: I0ceaa883c2654a88667ad83502d2755c9d33eb6b
Support for graphics hardware on Snowball for JB.

Change-Id: I47ad6dd695636536520590ed6eb791fe9289ffd7
Signed-off-by: Patrik Ryd <patrik.ryd@stericsson.com>
Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/70899
Signed-off-by: Alin Jerpelea <jerpelea@gmail.com>