sandbox: Add documentation about required/useful packages

Quite a few packages are used by sandbox or tools. Add a list of these to
help people setting up for the first time.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/doc/arch/sandbox.rst b/doc/arch/sandbox.rst
index e577a957169b6634651d674de439ae44dda5d840..6a1c6fc552b166839752824dde1bc2c8305c4358 100644 (file)
--- a/doc/arch/sandbox.rst
+++ b/doc/arch/sandbox.rst
@@ -34,6 +34,16 @@ integers can only be built on 64-bit hosts.
 Note that standalone/API support is not available at present.
 
 
+Prerequisites
+-------------
+
+Here are some packages that are worth installing if you are doing sandbox or
+tools development in U-Boot:
+
+   python3-pytest lzma lzma-alone lz4 python3 python3-virtualenv
+   libssl1.0-dev
+
+
 Basic Operation
 ---------------