arm64: dts: ti: k3-j721e-main: Drop RNG clock

The x1-clk used by trng submodule comes directly from the system clock
after a fixed divider. It is always running and has a fixed frequency
that cannot be changed, making it uncontrollable. Hence this property
should be dropped from the rng node.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Manorit Chawdhry <m-chawdhry@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20221107110607.59216-3-j-choudhary@ti.com

arch/arm64/boot/dts/ti/k3-j721e-main.dtsi

@@ -420,7 +420,6 @@ rng: rng@4e10000 {
 			compatible = "inside-secure,safexcel-eip76";
 			reg = <0x0 0x4e10000 0x0 0x7d>;
 			interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
-			clocks = <&k3_clks 264 2>;
 		};
 	};