boards:arm: Fix issue can't find csk.board.cmake

1 job 于feat/support_6012 in 38 second (queued for 1 second)
状态 作业 ID 名称 覆盖率
  Ztest
已失败 #38902
zgsz-02 generic
ztest_build_only

00:00:38

 
名称 暂存 失败
已失败
ztest_build_only Ztest
$ rm -f ${CI_PROJECT_DIR}/release.sh
Uploading artifacts for failed job
Uploading artifacts...
/builds/zephyr/csk/twister-out/**/*.log: found 1 matching artifact files and directories

WARNING: /builds/zephyr/csk/twister-out/*.json: no matching files. Ensure that the artifact path is relative to the working directory (/builds/zephyr/csk)
WARNING: /builds/zephyr/csk/twister-out/*.xml: no matching files. Ensure that the artifact path is relative to the working directory (/builds/zephyr/csk)
Uploading artifacts as "archive" to coordinator... 201 Created
id=38902 responseStatus=201 Created token=a3qxxa-R
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1