Merge pull request #1738 from trabucayre/fix_toolchain

litex_setup: fix software build when liteeth or/and litesata is set (riscv toolchain issue)

litex_setup.py

@@ -350,7 +350,7 @@ def riscv_gcc_install():
             os.system("pacman -S riscv64-linux-gnu-gcc")
         # Ubuntu.
         else:
-            os.system("apt install gcc-riscv64-linux-gnu")
+            os.system("apt install gcc-riscv64-unknown-elf")
 
     # Mac OS.
     # -------