dmaengine: zynqmp_dma: cleanup includes

The driver includes a few headers that are not actually used, but are
probably copy paste errors. Remove them.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Link: https://lore.kernel.org/r/20210826094742.1302009-5-m.tretter@pengutronix.de


Signed-off-by: Vinod Koul <vkoul@kernel.org>