added rk-tools to unpack Rockchip images

diff --git a/.gitmodules b/.gitmodules
new file mode 100644 (file)
index 0000000..e6b602a
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "rk-tools"]
+       path = rk-tools
+       url = https://github.com/rk3066/rk-tools.git

diff --git a/rk-tools b/rk-tools
new file mode 160000 (submodule)
index 0000000..0506777
--- /dev/null
+++ b/rk-tools
@@ -0,0 +1 @@
+Subproject commit 0506777a5694602caa7197dd828ce17d101e4f08