[MacPorts] #53671: Upgrade bochs to 2.6.8, add variants, set standard configure flags

[MacPorts]

#53671: Upgrade bochs to 2.6.8, add variants, set standard configure flags
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 Reporter:  Nax       |      Owner:
     Type:  update    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:
 Keywords:  haspatch  |       Port:  bochs
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 This patch bump bochs to version 2.6.8, add variants for smp, the internal
 debugger, avx, and relevant GUIs.
 It also changes the default configure flags to loosely match those used
 for the binary version of bochs distributed on
 http://bochs.sourceforge.net/.

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Ticket URL: <https://trac.macports.org/ticket/53671>
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