Setting up git submodules

Change-Id: Ia074a7c9a422ef4079177e89bdbe5d957a16c65b
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..0eaa8cf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,8 @@
+[submodule "submodules/buildroot"]
+	path = submodules/buildroot
+	url = ../../github/buildroot/buildroot
+	branch = cesnet/cla-7
+[submodule "submodules/cla-sysrepo"]
+	path = submodules/cla-sysrepo
+	url = ../../CzechLight/cla-sysrepo
+	branch = master