Added registration.

Currently doesn't return any valid result, hence host believes device
failed to register, however, insecure storage of keys does occur.

Readme.txt

@@ -0,0 +1,8 @@
+Things to install
+
+//To provide HW RNG facilities
+sudo apt-get install rng-tools
+
+//To provide ECC facilities
+git submodule update --init --recursive
+cp Scripts/uECC-Makefile micro-ecc/Makefile