ci: install RISC-V GCC (requires for LiteDRAM standalone core examples).

.github/workflows/ci.yml

@@ -15,6 +15,7 @@ jobs:
         run: |
           sudo apt-get install wget build-essential python3
           pip3 install setuptools
+          pip3 install requests
 
       # Install (n)Migen / LiteX / Cores
       - name: Install LiteX
@@ -22,6 +23,15 @@ jobs:
           wget https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py
           python3 litex_setup.py init install --user
 
+      # Install RISC-V GCC
+      - name: Install RISC-V GCC
+        run: |
+          wget https://raw.githubusercontent.com/enjoy-digital/litex/master/litex_setup.py
+          python3 litex_setup.py gcc
+          ls $PWD/../riscv64-*/bin/
+          export PATH=$PATH:$(echo $PWD/../riscv64-*/bin/)
+          riscv64-unknown-elf-gcc --version
+
       # Install Project
       - name: Install Project
         run: python3 setup.py develop --user