dma: axi-dmac: Add MEM to DEV support

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
dma: axi-dmac: Fix compatible string

Match on adi,axi-dmac-1.00.a instead of adi,axi-dmac.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
cf_axi_{adc,dds,dds_so}: Implement PCORE version check

Make sure that the pcore version specified in the devicetree and the HDL pcore
match. This is necessary to catch the case where the devicetree is incompatible
to the bitstream.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>