dma: rcar-audmapp: add DT support [horms+renesas@verge.net.au: Do not add trailing blank... [horms+renesas@verge.net.au: squashed patch to add NULL... Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>