Tweaks for the benefit of the webpage.
- mention s390x/linux in README
- formatting tweak in README.s390 so things don't look ugly in html
- add README.s390 and README.android to distribution documents


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@12277 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/README.s390 b/README.s390
index 2dff9de..034cc31 100644
--- a/README.s390
+++ b/README.s390
@@ -1,3 +1,4 @@
+
 Requirements
 ------------
 - You need GCC 3.4 or later to compile the s390 port.