dt-bindings: crypto: ti,sa2ul: drop dma-coherent property

crypto driver itself is not dma-coherent. It is the dmaengine
that moves data and the buffers are to be mapped to the
dmaengine provider. So this property should be dropped.

Fixes: 2ce9a729 ('dt-bindings: crypto: Add TI SA2UL crypto accelerator documentation')
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Link: https://lore.kernel.org/r/20220826091142.262325-1-j-choudhary@ti.com


Signed-off-by: Rob Herring <robh@kernel.org>