Add project skeleton

Signed-off-by: Imre Kis <imre.kis@arm.com>
Change-Id: I6f6ec8c948faa650dc554593d04f58265fefbed3
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..d4505c0
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "arm-psci"
+version = "0.1.0"