ARM: dts: stm32: remove unused rng interrupt on stm32f429

Interrupt has never be used in rng driver so remove it from DT.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32f429.dtsi

@@ -789,7 +789,6 @@ dcmi: dcmi@50050000 {
 		rng: rng@50060800 {
 			compatible = "st,stm32-rng";
 			reg = <0x50060800 0x400>;
-			interrupts = <80>;
 			clocks = <&rcc 0 STM32F4_AHB2_CLOCK(RNG)>;
 
 		};