aec62xx: remove aec62xx_dma_lost_irq()

* Remove aec62xx_dma_lost_irq() (generic ide_dma_lost_irq() will be used now).

* Bump driver version.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>