RFR: 8330988: Implementation of 8288293: Windows/gcc Port for hsdis

[Julian Waters]

WIP

This changeset contains hsdis for Windows/gcc Port. It supports both the binutils and capstone backends, though the LLVM backend is left out due to compatibility issues encountered during the build. Currently, which gcc distributions are supported is still to be clarified, as several, ranging from Cygwin, to MinGW64, to the gcc subsystems from MSYS2. For this reason, the build system hack in place at the moment to compile the binutils backend on Windows is still left in place, for now.

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Commit messages:
 - Implementation of hsdis for 8288293: Windows/gcc Port

Changes: https://git.openjdk.org/jdk/pull/18915/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18915&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8330988
  Stats: 347 lines in 28 files changed: 161 ins; 22 del; 164 mod
  Patch: https://git.openjdk.org/jdk/pull/18915.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18915/head:pull/18915

PR: https://git.openjdk.org/jdk/pull/18915