dmaengine: rcar-dmac: fix max_chunk_size for R-Car Gen3
According to R-Car Gen3 Rev.0.80 manual, the DMATCR can be set to 16,777,215 as maximum. So, this patch fixes the max_chunk_size for safety on all of SoCs. Otherwise, a system may hang if the DMATCR is set to 0 on R-Car Gen3. Signed-off-by: NYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Reviewed-by: NSimon Horman <horms+renesas@verge.net.au> Signed-off-by: NVinod Koul <vinod.koul@intel.com>
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