Update README.fuchsia

Change-Id: I88bb67a11567d97b127986c61b5622fd0a31f820
diff --git a/README.fuchsia b/README.fuchsia
index 0d7146b..2f9351c 100644
--- a/README.fuchsia
+++ b/README.fuchsia
@@ -1,10 +1,15 @@
 Name: yasm
 URL: http://www.tortall.net/projects/yasm/
+Upstream git: https://github.com/yasm/yasm
 Version: 1.3.0
 License: 2-clause or 3-clause BSD licensed, with the exception of bitvect, which is triple-licensed under the Artistic license, GPL, and LGPL
 License File: COPYING
 License Android Compatible: yes
 Security Critical: no
+Description:
+
+Yasm is a complete rewrite of the NASM assembler supporting the
+x86 and AMD64 instruction sets.
 
 Changes from upstream: