arm64: dts: ti: k3-am65-main: Drop dma-coherent in crypto node

crypto driver itself is not dma-coherent. So drop it.

Fixes: b366b240 ("arm64: dts: ti: k3-am6: Add crypto accelarator node")
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Manorit Chawdhry <m-chawdhry@ti.com>
Link: https://lore.kernel.org/r/20221031152520.355653-2-j-choudhary@ti.com