RFR: 8366195: Remove unnecessary quotes around -Ta ml64 assembler argument

[Erik Joelsson]

On Sat, 30 Aug 2025 15:34:00 GMT, Saint Wesonga <duke at openjdk.org> wrote:

> This PR cleans up the handling of the -Ta argument by removing the quotes that were unintentionally added around the argument and moving the declaration of the argument to match -Fo as suggested in https://github.com/openjdk/jdk/pull/26791

Marked as reviewed by erikj (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27021#pullrequestreview-3176372409