Fix kernel oops issue in user-space by waiting until RPMsg device file appears.
Move RPMsg loopback firmware to the ~/bin directory while unpacking the .deb
Kernel oops issue description: https://groups.google.com/d/msg/beagleboard-gsoc/711XmP7jFMc/sE0PvoScAwAJ; Fix: https://github.com/pratimugale/PRUSS-Bindings/commit/bc4ba9070c68a3c3d686c8d28a3f07b83f656d99/