boards: nrf54l15pdk: set default pdk to 0.7.0

[barsok]

Replace default pdk board from 0.3.0 to 0.7.0

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[NordicBuilder]

The following west manifest projects have been modified in this Pull Request:

Name	Old Revision	New Revision	Diff
zephyr	nrfconnect/sdk-zephyr@297b00d (main)	nrfconnect/sdk-zephyr#1845	nrfconnect/sdk-zephyr#1845/files

Note: This message is automatically posted and updated by the Manifest GitHub Action.

[NordicBuilder]

Test specification

CI/Jenkins/NRF

• Integration Platforms

CI/Jenkins/integration

Test Module	File based changes	Manually selected	West overwrite
desktop52_verification	X
test-fw-nrfconnect-fem	X
test-fw-nrfconnect-nfc	X
test-fw-nrfconnect-rpc	X
test-fw-nrfconnect-rs	X
test-low-level	X
test-sdk-find-my	X

Detailed information of selected test modules

Note: This message is automatically posted and updated by the CI

[NordicBuilder]

You can find the documentation preview for this PR at this link. It will be updated about 10 minutes after the documentation build succeeds.

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[github-actions]

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