In certain reset scenarios, Program Counter value is not retained
across reset. Implement logic to approximate Program Counter based on
other General Purpose Registers. This should help get the CPU
context from crash dumps when original Program Counter value is
NULL or invalid.

Change-Id: Iacffc4103df1d482682bc7c1e6b83a55981ca78d

After a crash, ramdumps may be collected for analysis. The ram
parser is a tool to aid in analysis of these dumps. The script
extracts useful information from the dumps to help with debugging.
Please see the README for full details.

Change-Id: I7795686a96bbfe246edf47d09e3f616131688429