dma: tegra: do not abort dma if next configuration skipped.

dma: tegra: do not abort dma if next configuration skipped.

There is a case in continuous mode where the dma transfer completes
and interrupt is pending before the next transfer programmed. In this
case, next dma configuration skipped till interrupt served. So in this
case, do not abort the dma from transfers, confgure the next transfer
once pending interrupt handled.

bug 1464356

Change-Id: Ia4966e062afac613232b5bf5f4d1c9452037d985
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/374167