Add iPod Nano 2G post-mortem memory dumper by Michael Sparmann

The files are downloaded from https://www.rockbox.org/tracker/task/11701

Change-Id: Ic6415f76207868661c231cb534cb179160eb60e0

utils/rbpms/rbpms.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+import sys
+import librbpms
+
+
+def usage():
+  print ""
+  print "Please provide a command and (if needed) parameters as command line arguments"
+  print ""
+  print "Available commands:"
+  print ""
+  print "  download <address> <size> <file>"
+  print "    Downloads <size> bytes of data from the specified address on the device,"
+  print "    and stores it in the specified file."
+  print ""
+  print "All numbers are hexadecimal!"
+  exit(2)
+
+
+def parsecommand(dev, argv):
+  if len(argv) < 2: usage()
+
+  elif argv[1] == "download":
+    if len(argv) != 5: usage()
+    dev.download(int(argv[2], 16), int(argv[3], 16), argv[4])
+
+  else: usage()
+
+
+dev = librbpms.rbpms()
+parsecommand(dev, sys.argv)