[Bug report] Unaligned memory acces with Zigbee R23 on nRF54

How to reproduce:

Generate a production config (content doesn´t care because the error still exists after changing the content) and build / flash it:

nrfutil nrf5sdk-tools zigbee production_config zigbee_config.yml zigbee_config.hex --offset 0x17a000
nrfjprog --program zigbee_config.hex --verify

00> [00:00:44.726,567] <err> os: ***** USAGE FAULT *****
00> [00:00:44.726,573] <err> os:   Unaligned memory access
00> [00:00:44.726,590] <err> os: r0/a1:  0x00000000  r1/a2:  0x00051a8c  r2/a3:  0x0005317c
00> [00:00:44.726,598] <err> os: r3/a4:  0x00000000 r12/ip:  0x00000000 r14/lr:  0x0004088d
00> [00:00:44.726,602] <err> os:  xpsr:  0x69100000
00> [00:00:44.726,612] <err> os: s[ 0]:  0x0005019f  s[ 1]:  0x00000000  s[ 2]:  0x20009300  s[ 3]:  0x000501a5
00> [00:00:44.726,620] <err> os: s[ 4]:  0x0005019f  s[ 5]:  0x0003beed  s[ 6]:  0x500ca000  s[ 7]:  0x00041d77
00> [00:00:44.726,628] <err> os: s[ 8]:  0x000082ed  s[ 9]:  0x00008303  s[10]:  0x00050724  s[11]:  0x000497f7
00> [00:00:44.726,636] <err> os: s[12]:  0x00050614  s[13]:  0x00018a0b  s[14]:  0x00000000  s[15]:  0x00000001
00> [00:00:44.726,641] <err> os: fpscr:  0x00000000
00> [00:00:44.726,645] <err> os: Faulting instruction address (r15/pc): 0x00000000

Behaviour:

During the FIRST reset after flashing the config, this error occurs. After the second rese,t the firmware starts as expected.

Environment:

- Zigbee R23 (latest)
- NCS 2.9.0

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