[jdk21u] RFR: 8315499: build using devkit on Linux ppc64le RHEL puts path to devkit into libsplashscreen

[Matthias Baesken]

8315499: build using devkit on Linux ppc64le RHEL puts path to devkit into libsplashscreen

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Commit messages:
 - Backport ed2b4673de6893047407c61f82b5e68741459876

Changes: https://git.openjdk.org/jdk21u/pull/201/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=201&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315499
  Stats: 5 lines in 1 file changed: 2 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk21u/pull/201.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/201/head:pull/201

PR: https://git.openjdk.org/jdk21u/pull/201