update the docs up to tools

docs/Generators/Rocket-Chip.rst

@@ -2,7 +2,7 @@ Rocket Chip
 ===========
 
 Rocket Chip generator is an SoC generator developed at Berkeley and now supported by
-SiFive. Chipyard uses the Rocket Chip generator as the basis for producing a RISC-V SoC.
+`SiFive <https://www.sifive.com>`__. Chipyard uses the Rocket Chip generator as the basis for producing a RISC-V SoC.
 
 `Rocket Chip` is distinct from `Rocket core`, the in-order RISC-V CPU generator.
 Rocket Chip includes many parts of the SoC besides the CPU. Though Rocket Chip