Add needed layers as submodules

Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..abde1ec
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,12 @@
+[submodule "meta-openembedded"]
+	path = meta-openembedded
+	url = git://git.openembedded.org/meta-openembedded
+	branch = hardknott
+[submodule "poky"]
+	path = poky
+	url = git://git.yoctoproject.org/poky
+	branch = hardknott
+[submodule "meta-raspberrypi"]
+	path = meta-raspberrypi
+	url = git://git.yoctoproject.org/meta-raspberrypi
+	branch = master
diff --git a/meta-openembedded b/meta-openembedded
new file mode 160000
index 0000000..4ff36ed
--- /dev/null
+++ b/meta-openembedded
@@ -0,0 +1 @@
+Subproject commit 4ff36ed798939b20746e5b06a04eadf235cceffa
diff --git a/meta-raspberrypi b/meta-raspberrypi
new file mode 160000
index 0000000..11209a4
--- /dev/null
+++ b/meta-raspberrypi
@@ -0,0 +1 @@
+Subproject commit 11209a4981f03db9988de84752da0076ff6b8f17
diff --git a/poky b/poky
new file mode 160000
index 0000000..e1839b5
--- /dev/null
+++ b/poky
@@ -0,0 +1 @@
+Subproject commit e1839b58ebe05242a52fe050aa9a08140136aa0a