Get rid of forked (git) dependencies

[JohnAZoidberg]

All dependencies should be on crates.io:

• uefi
  • Need to upstream all changes
• uefi-services
  • Need to upstream all changes
• guid-create
  • Need to upstream all changes
  • Add CGuid which matches the C memory representation kurtlawrence/guid-create#20
  • feat: enable no_std kurtlawrence/guid-create#19
• redox_hwio
  • Need to upstream all changes
• smbios-lib
  • Need to upstream all changes
  • Add no_std compatibility and x86_64 crate helper jrgerber/smbios-lib#89