[nrf fromlist] boards: nordic: nrf54h20dk: Add aliases for RESETINFO

Upstream PR: zephyrproject-rtos/zephyr#71609

Each local RESETINFO instance can be used in samples.

Signed-off-by: Grzegorz Swiderski <[email protected]>
(cherry picked from commit 74627effecb5a9dcb570fd683f1795d310ac372f)

Author: 57300

boards/arm/nrf54h20dk_nrf54h20/nrf54h20dk_nrf54h20_cpuapp.dts

@@ -33,6 +33,7 @@
 		led2 = &led2;
 		led3 = &led3;
 		pwm-led0 = &pwm_led0;
+		resetinfo = &cpuapp_resetinfo;
 		sw0 = &button0;
 		sw1 = &button1;
 		sw2 = &button2;

boards/arm/nrf54h20dk_nrf54h20/nrf54h20dk_nrf54h20_cpurad.dts

@@ -28,6 +28,10 @@
 		zephyr,bt-hci-ipc = &ipc0;
 	};
 
+	aliases {
+		resetinfo = &cpurad_resetinfo;
+	};
+
 	prng: prng {
 		compatible = "nordic,entropy-prng";
 		status = "okay";