[riscv-isa-sim] Rely on system's `dtc` installation
@@ -82,9 +82,6 @@ tc-llvm:
riscv-isa-sim: update_opcodes
cd toolchain/riscv-isa-sim && mkdir -p build && cd build; \
- [ -d dtc ] || git clone git://git.kernel.org/pub/scm/utils/dtc/dtc.git && cd dtc; \
- make install SETUP_PREFIX=$(ISA_SIM_INSTALL_DIR) PREFIX=$(ISA_SIM_INSTALL_DIR) && \
- PATH=$(ISA_SIM_INSTALL_DIR)/bin:$$PATH; cd ..; \
../configure --prefix=$(ISA_SIM_INSTALL_DIR) && make && make install
# Unit tests for verification
