RFR: JDK-8310321: make JDKOPT_CHECK_CODESIGN_PARAMS more verbose

[Matthias Baesken]

We were running into some issues with the configure checks checking the codesign tool. Unfortunately the output is a bit limited and should be enhanced, especially printing what is really called.

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Commit messages:
 - JDK-8310321

Changes: https://git.openjdk.org/jdk/pull/14541/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14541&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8310321
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/14541.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14541/head:pull/14541

PR: https://git.openjdk.org/jdk/pull/14541