ata: select DW_DMAC in case of SATA_DWC
ata: select DW_DMAC in case of SATA_DWC

Since sata_dwc_460ex.c was moved to generic DMA driver we have to ensure that
user can still compile it.

Fixes: 8b3444852a2b (sata_dwc_460ex: move to generic DMA driver)
Signed-off-by: Andy Shevchenko <74f0c009df510614346aa771cd21959b78cdb413@linux.intel.com>
Signed-off-by: Tejun Heo <546b05909706652891a87f7bfe385ae147f61f91@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs