Resolve name collision

Since these two files differed in their names only by case
it was not possible to check them both out at the same time
on a case insensitive filesystem.

Change-Id: I0ba508502b39bf47d157727ce7fb6501f58d68fb
Signed-off-by: David Warburton <david.warburton@intel.com>

diff --git a/README b/README.setup.txt
similarity index 100%
rename from README
rename to README.setup.txt

diff --git a/Readme b/Readme.scons.txt
similarity index 100%
rename from Readme
rename to Readme.scons.txt