RFR: 8270862: Fix problem list entries for 32-bit

[David Holmes]

32-bit is specified as linux-i586 not linux-x86 

Waiting for GHA results to confirm.

Thanks,
David

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Commit messages:
 - Fix 32-bit

Changes: https://git.openjdk.java.net/jdk/pull/4818/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4818&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8270862
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4818.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4818/head:pull/4818

PR: https://git.openjdk.java.net/jdk/pull/4818