Log Message:
emulators/bochs: Update to 2.7

Changelog:
Brief summary of changes in 2.7:
  - Bugfixes for CPU emulation correctness (CPUID/VMX/SVM fixes to support
    Windows Hyper-V as guest in Bochs)
  - Improvements for the plugin handling to simplify Bochs extensions
  - Added "multiple NICs" support to the NE2000 and E1000 devices
  - Added experimental FTP service for networking modules 'vnet' and 'socket'
  - Fixes and improvements for all supported Voodoo graphics adapters
  - Added USB keyboard emulation with most of the keys supported
  - GUI "cmdmode": create a headerbar event with key combo starting with F7
  - LGPL'd VGABIOS updated to version 0.8a (new VGABIOS for Voodoo Banshee)