arch/intel64: fix IRQ conflict with GOLDFISH

[szafonimateusz-mi]

Summary

arch/intel64: fix IRQ conflict with GOLDFISH
Also move MSI IRQ definition to place where other IRQ definitions are.

Impact

x86_64 can be used with android goldfish. No impact on user.

Testing

CI

[nuttxpr]

[Experimental Bot, please feedback here]

Yes, this PR appears to meet the NuttX requirements.

Here's why:

• Summary:
  • Provides a clear reason for the change ("fix IRQ conflict with GOLDFISH").
  • Specifies the affected code area ("arch/intel64").
  • Briefly describes the technical implementation ("move MSI IRQ definition").
• Impact:
  • Addresses all impact categories.
  • Clearly states "NO" for most impact areas, indicating no significant user-facing or system changes.
  • Highlights the positive impact: "x86_64 can be used with android goldfish."
• Testing:
  • Relies on CI, which is acceptable for common architectures like x86_64 if the CI has good test coverage for that architecture.
  • Providing specific build host and target details would further strengthen the testing section, but it might not be strictly required if the CI is comprehensive.

Suggestion: While not mandatory, including links to the CI runs for this PR would enhance transparency and make it easier for reviewers to assess the testing.