Allow passing multiple arguments to VirtualBox customization commands
This allows to override CPUID:
modifyvm:
--cpuidset: ["00000001", "000106e5", "00100800", "0098e3fd", "bfebfbff"]
This allows to override CPUID:
modifyvm:
--cpuidset: ["00000001", "000106e5", "00100800", "0098e3fd", "bfebfbff"]