arm64: dts: st: add power-domain of csi in stm32mp251.dtsi

Add the power-domain property in the csi node of stm32mp251.dtsi

Signed-off-by: Alain Volmat <alain.volmat@foss.st.com>
Link: https://lore.kernel.org/r/20251219-stm32-mp2x-dcmipp-csi-power-domain-v1-2-a6edb2aa8154@foss.st.com
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

Author: Alain Volmat

arch/arm64/boot/dts/st/stm32mp251.dtsi

@@ -1613,6 +1613,7 @@
 					 <&rcc CK_KER_CSIPHY>;
 				clock-names = "pclk", "txesc", "csi2phy";
 				access-controllers = <&rifsc 86>;
+				power-domains = <&CLUSTER_PD>;
 				status = "disabled";
 			};