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/classes/xilinx-platform-init.bbclass b/meta-xilinx/meta-xilinx-bsp/classes/xilinx-platform-init.bbclass
new file mode 100644
index 0000000..5d09950
--- /dev/null
+++ b/meta-xilinx/meta-xilinx-bsp/classes/xilinx-platform-init.bbclass
@@ -0,0 +1,14 @@
+# This class should be included by any recipe that wants to access or provide
+# the platform init source files which are used to initialize a Zynq or ZynqMP
+# SoC.
+
+# Define the path to the xilinx platform init code/headers
+PLATFORM_INIT_DIR ?= "/usr/src/xilinx-platform-init"
+
+PLATFORM_INIT_STAGE_DIR = "${STAGING_DIR_HOST}${PLATFORM_INIT_DIR}"
+
+# Target files use for platform init
+PLATFORM_INIT_FILES ?= ""
+PLATFORM_INIT_FILES_zynq = "ps7_init_gpl.c ps7_init_gpl.h"
+PLATFORM_INIT_FILES_zynqmp = "psu_init_gpl.c psu_init_gpl.h"
+