Minor fix on GPIO initialization

[fgr-17]

Description

This PR fixes an error message that showed up during hello-world container:

E: GPIO system not initialized or invalid module 0x20004f70 

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Code cleanup/refactoring
• This change requires a documentation update
• CI system update
• Test Coverage update

How Has This Been Tested?

Running hello world on nRF5340-DK board used to show the following error during initialization of Hello World container:

Ocre runtime started
I: Request to create new container in slot: 0
I: Request to run container in slot:0
I: EVENT_CREATE_CONTAINER
I: Allocating memory for container 0
I: File path: /lfs/ocre/images/hello-world.bin, size: 17862
I: Loaded binary to buffer for container 0
W: Created container:0
I: Created container in slot:0
I: EVENT_RUN_CONTAINER
I: Instantiating WASM runtime for container:0
I: Module registered: 0x20004f70
W: Running container:0 in dedicated thread
I: Started container in slot:0
I: Container thread 0 started

     _      _________  ___   ______________  ______  ____  __
    | | /| / / __/ _ )/ _ | / __/ __/ __/  |/  / _ )/ /\ \/ /
    | |/ |/ / _// _  / __ |_\ \_\ \/ _// /|_/ / _  / /__\  /
    |__/|__/___/____/_/ |_/___/___/___/_/  /_/____/____//_/
                                           powered by Ocre
    System:   wasi
    Board:    (none)
    CPU:      wasm32
    Release:  0.0.0
    Version:  0.0.0
E: GPIO system not initialized or invalid module 0x20004f70 <<<<<<<<< ERROR MESSAGE
I: Container thread 0 exited cleanly

The error message is no longer present after the fix

Test Configuration (required):

• Host OS type, version, and arch: Docker container ghcr.io/zephyrproject-rtos/zephyr-build:latest - on Ubuntu 24.04.3 LTS (x64)
• Developer Board make & model: nRF5340-DK
• Board Tools Installed: nrfjprog

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes