Update documentation

Updating MCC memory for new configurations of Corstone-300 FPGA.

Adding information about required Python packages and tools.

Adding information about run_platform.py script.

Change-Id: I7a542db364ebcb2a4524823aff4b8864f62a8ae5
diff --git a/requirements.txt b/requirements.txt
index 5e03a5c..db6ebfe 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,5 @@
 numpy
+pillow
 pyelftools
+tensorflow
+ethos-u-vela