Revert "Boeffla sound support"

This reverts commit d37807829dc809740fd529d2fe29cb7669a769e6.
Boeffla-Sound: Engine 1.6.0
fs: add native exFAT support (Samsung OSRC 1.2.4)

http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=exfat
use Linaro toolchain 4.8