Adds libreboot support for the Dell OptiPlex 3040 Micro based on the
OptiPlex 3050 Micro (same Skylake H110 PCH-H platform). Key differences:
DDR3L SODIMMs, Pentium G4400T-class CPUs (Skylake only), Realtek ALC3234
HDA, and Boot Guard neutralization via deguard.
Tested and booted on hardware.
Signed-off-by: Todd Baker <todd_baker@student.uml.edu>