Add meta-xilinx subtree

Import git://git.yoctoproject.org/meta-xilinx from 5fccc46503 as
meta-xilinx subtree.

Change-Id: I3d59bcf3a57cee588aab7f5cdd0287af66450c8a
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-yocto_%.bbappend b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-yocto_%.bbappend
new file mode 100644
index 0000000..05c3995
--- /dev/null
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-kernel/linux/linux-yocto_%.bbappend
@@ -0,0 +1 @@
+require linux-yocto-xilinx.inc