[edk2-platforms] [PATCH 5/5] Intel/Readme.md: Updated readme with linux build instructions

["Agyeman, Prince" <prince.agyeman@intel.com>]

From: Prince Agyeman <prince.agyeman@intel.com>

Signed-off-by: Prince Agyeman <prince.agyeman@intel.com>
---
 Platform/Intel/Readme.md | 31 +++++++++++++++++++------------
 1 file changed, 19 insertions(+), 12 deletions(-)

diff --git a/Platform/Intel/Readme.md b/Platform/Intel/Readme.md
index fbf7351..972a1b0 100644
--- a/Platform/Intel/Readme.md
+++ b/Platform/Intel/Readme.md
@@ -107,9 +107,13 @@ return back to the minimum platform caller.
 
 **Building with the python script**
 
-1. Open command window, go to the workspace directory, e.g. c:\Kabylake.
-2. Type "cd edk2-platforms\Platform\Intel
-3. Type "python build_bios.py -p REPLACE_WITH_BOARD_NAME"
+1. Open command window, go to the workspace directory, e.g. c:\Kabylake or ~/Kabylake in the case of a linux OS
+2. If using a linux OS
+   * Type "cd edk2"
+   * Type "source edksetup.sh"
+   * Type "cd ../" to go back to the workspace directory
+3. Type "cd edk2-platforms/Platform/Intel
+4. Type "python build_bios.py -p REPLACE_WITH_BOARD_NAME"
 
 * build_bios.py arguments:
 
@@ -132,18 +136,19 @@ return back to the minimum platform caller.
   |                                                             |
 
 * For more information on build options
-  * ``Type "python build_bios.py -h"``
+  * Type "python build_bios.py -h"
 
 * Note
-  * ``Python 2.7.16 and Python 3.7.3 compatible``
-  * ``These python build scripts have been tested on Windows due to`` [cross-platform limitations](#Known-limitations)
+  * Python 2.7.16 and Python 3.7.3 compatible
+  * This python build script has been tested on Windows 10 and Ubuntu 16.04.5 LTS
+  * See [cross-platform limitations](#Known-limitations)
 
 * Configuration Files
-  * ``The edk2-platforms\Platform\Intel\build.cfg file contains the default settings used by build_bios.py``
-  * ``The default settings are under the DEFAULT_CONFIG section``
-  * ``Each board can have a settings file that will override the edk2-platforms\Platform\Intel\build.cfg settings``
-  * ``An example of a board specific settings:``
-    * ``edk2-platforms\Platform\Intel\KabylakeOpenBoardPkg\KabylakeRvp3\build_config.cfg``
+  * The edk2-platforms\Platform\Intel\build.cfg file contains the default settings used by build_bios.py
+  * The default settings are under the DEFAULT_CONFIG section
+  * Each board can have a settings file that will override the edk2-platforms\Platform\Intel\build.cfg settings
+  * An example of a board specific settings:
+    * edk2-platforms\Platform\Intel\KabylakeOpenBoardPkg\KabylakeRvp3\build_config.cfg
 
 * Workspace view of the build scripts
   * <pre>
@@ -212,8 +217,10 @@ Users can also flash the UEFI firmware image to the highest area of the flash re
 
 ### **Known limitations**
 
-* All firmware projects can only build on Windows with the validated configuration below.
+* All firmware projects can build on Windows with the validated configuration below.
   * Cross-platform build support is work-in-progress.
+* KabylakeOpenBoardPkg and ClevoOpenBoardPkg can build on Ubuntu 16.04.5 LTS
+with gcc version 5.4.0 and nasm version 2.11.08 with the build_bios.py script
 
 **KabylakeOpenBoardPkg**
 1. This firmware project has only been tested on the Intel KabylakeRvp3 board.
-- 
2.7.4