There are 5 repositories under uefi-firmware topic.
Broken edk2 port for Qualcomm platforms xD
EDK2 UEFI firmware for Rockchip RK3588 platforms
Tools for analyzing UEFI firmware and checking UEFI modules with FwHunt rules
EDK2 for Samsung Galaxy Tab S7 FE Wifi model Based on SDM778G(SM7325)