arm64: dts: ti: k3-j721s2-main: drop dma-coherent in crypto

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

Fixes: 0048b326

 ('arm64: dts: ti: k3-j721s2-main: Enable
 crypto accelerator')
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>