dts: common: nordic: nrf54h20: Update exit-latency-us timing

Update exit-latency-us with newly measured values. Measurement is
taking into account additional timing compared to wakeup from
WFI.

Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>

Author: nordic-krch

dts/common/nordic/nrf54h20.dtsi

@@ -137,13 +137,13 @@
 				power-state-name = "suspend-to-idle";
 				substate-id = <2>;
 				min-residency-us = <1000>;
-				exit-latency-us = <30>;
+				exit-latency-us = <7>;
 			};
 			s2ram: s2ram {
 				compatible = "zephyr,power-state";
 				power-state-name = "suspend-to-ram";
 				min-residency-us = <2000>;
-				exit-latency-us = <260>;
+				exit-latency-us = <33>;
 			};
 		};
 	};