ComputeBlade/CM4 optimized UEFI Firmware Images

Caution

THE CONFIGURATION IS PROBABLY NOT SANE FOR ALL USERS.

This is a fork of the amazing pftf/RPi4 project, which brings a UEFI images for the RaspberryPi 4 Model B.

Adaptations compared to the pftf/RPi4 proejct

Adjustments

server-workload oriented -> limit GPU mem to 64MB
overclock ComputeModule 4 to 2.0GHz

Ease of use improvements

Allow easy local builds using make dist

Firmware specific configuration

Configure features for the ComputeBlade
Disable SD Card (avoids modifying the UEFI image from the operating system)
Additional device-tree overlays

EDK2/UEFI specific changes

Remove the default 3GB memory limit (WARNING: this reduces compatibility)
Use device tree as system table by default (Required for exposing the PCIe bus to Linux)