[RISCV] FU540 and Virt qemu env setup

Dependency setup

sudo apt install build-essential uuid-dev acpica-tools git gcc-riscv64-linux-gnu device-tree-compiler

FU540 edk2 qemu env setup

RISC-V UEFI EDK2 Port Documentations

$ git clone https://github.com/tianocore/edk2.git
$ cd edk2
$ git submodule update --init
$ cd ..
...
$ git clone https://github.com/tia