Add make target to build fesvr

Makefile

@@ -82,6 +82,8 @@ build-moore:
 	# $(moore) compile src/fifo.sv
 	$(foreach src_file, $(src), $(moore) compile $(src_file);)
 
+build-fesvr:
+	cd lib/riscv-fesvr && mkdir -p build && cd build && ../configure && make
 # User Verilator to lint the target
 lint:
 	verilator ${src} --lint-only \

README.md

@@ -14,6 +14,10 @@ Checkout the repository and initialize all submodules
 git checkout git@iis-git.ee.ethz.ch:floce/ariane.git
 git submodule update --init --recursive
 ```
+Build the RISC-V front-end server (fesvr) which contains utility functions to read and load ELF files.
+```
+make build-fesvr
+```
 
 Build Ariane by using the Makefile:
 ```