Update riscv-pk patch to work with latest version
Update riscv-pk patch to work with latest version

OpenISA/riscv-sbt,OpenISA/riscv-sbt,OpenISA/riscv-sbt,OpenISA/riscv-sbt,OpenISA/riscv-sbt,OpenISA/riscv-sbt,OpenISA/riscv-sbt