ICU-22380 fix build error for loongarch64

[zhangwenlong8911]

update config.guess config.sub to fix ICU-22380

curl -sL -o config.guess 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD' curl -sL -o config.sub 'https://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD'

Checklist

• [ ] Required: Issue filed: https://unicode-org.atlassian.net/browse/ICU-_____
• [ ] Required: The PR title must be prefixed with a JIRA Issue number.
• [ ] Required: The PR description must include the link to the Jira Issue, for example by completing the URL in the first checklist item
• [ ] Required: Each commit message must be prefixed with a JIRA Issue number.
• [ ] Issue accepted (done by Technical Committee after discussion)
• [ ] Tests included, if applicable
• [ ] API docs and/or User Guide docs changed or added, if applicable

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