Update synclink to use DMA mapping API.  This removes warning about
isa_virt_to_bus() usage on architectures other than i386
Signed-off-by: Paul Fulghum <paulkf@microgate.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>