Provide simple command about building / synthesising codes

FW/sources/README.md

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+# Introduction
+
+This folder contains EPCI project firmwares. Which include HDLs for FPGA and C code for Linux device driver.
+
+- `hdl` includes all HDL files to build **BIT** for EPCI-V1.0X board
+- `driver` include all C files to build **.ko** file which is EPCI-V1.0X Linux driver
+
+## Synthesis prerequisites 
+
+To build (synthesis / Implement) HDL files, you need:
+
+- Installed <u>Xilinx ISE tools</u>. I've tested HDLs with ISE-14.07 
+- Installed <u>GNU make</u> utility 
+
+Then
+
+```bash
+git clone https://github.com/ArashEM/EPCI.git
+cd EPCI/FW/sources/hdl/
+make mcs
+```
+
+You can find programming files in `build/epci_fpga.bit` , `build/epci_fpga.mcs`
+
+## Compile prerequisites
+
+To compile EPCI Linux driver, you need:
+
+- Linux headers (According to your Distro. Linux kernel version). I've tested it under Ubuntu-16.04 with kernel *4.4.0-116-generic #140*.
+- `gcc`
+
+Then
+
+```bash
+git clone https://github.com/ArashEM/EPCI.git
+cd EPCI/FW/sources/driver/
+make 
+```
+
+You can find kernel module in `build/epci.ko`
+
+# How to change
+
+Synthesizing HDLs is based on [ISE-Makefile](https://github.com/duskwuff/Xilinx-ISE-Makefile.git)  project with a little modifications. 
+
+First of all, check `configs/project.cfg` file which include all HDLs and synthesis options. You do not need to make any changes in `Makefile`. 
+
+Kernel module build is traditional Linux Kbuild system. For more information you can check [lkmpg](https://www.tldp.org/LDP/lkmpg/2.6/lkmpg.pdf). 
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