net: ftgmac100: convert the RX/TX descriptor arrays

Use simple arrays under the device priv structure to hold the RX and
TX descriptors and handle memory coherency by invalidating or flushing
the d-cache when required.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
1 file changed