LSI53C895A: Remove current_dma_len hack

Signed-off-by: Justin Chevrier <address@hidden>
Acked-by: Ryan Harper <ryanh@us.ibm.com>
Acked-by: Chris Wright <chrisw@sous-sol.org>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5901 c046a42c-6fe2-441c-8c8c-71466251a162
