[PATCH] Kconfig fix (ISA_DMA_API and sound/*)

fixed kconfig dependencies on ISA_DMA_API for parts of sound/* that rely
on it.

Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>