sha3: Update submodule URL
The original URL should still redirect.
[submodule "tools/treadle"]
path = tools/treadle
url = https://github.com/freechipsproject/treadle.git
-[submodule "generators/rocc-template"]
+[submodule "generators/sha3"]
path = generators/sha3
- url = https://github.com/ucb-bar/rocc-template.git
+ url = https://github.com/ucb-bar/sha3.git
[submodule "tools/firrtl-interpreter"]
path = tools/firrtl-interpreter
url = https://github.com/freechipsproject/firrtl-interpreter.git
