qede: Fix incorrrect usage of APIs for un-mapping DMA memory

qede: Fix incorrrect usage of APIs for un-mapping DMA memory

Orabug: 25477939

Driver uses incorrect APIs to unmap DMA memory which were
mapped using dma_map_single(). This patch fixes it to use
appropriate APIs for un-mapping DMA memory.

Signed-off-by: Manish Chopra <manish.chopra@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit fabd545c6d27ac1977fe567c43cd4c72fad04172)
Signed-off-by: Brian Maly <brian.maly@oracle.com>