PEL: Fix for error - unable to read PEL ID file

This is a case when PEL daemon can't read pelID file to get the next
pel Id to use. It could be that the file got corrupted during code

PEL: Fix for error - unable to read PEL ID file

This is a case when PEL daemon can't read pelID file to get the next
pel Id to use. It could be that the file got corrupted during code
update or factory reset leading to zeros data in file. The fix is to
delete the file as there is already code later to recreate file if
not available.

Signed-off-by: Sumit Kumar <sumit_kumar@in.ibm.com>
Change-Id: I42372cc1d79ece5914e7fdb51f3fa2a2d9cb07e7

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PEL: Add function to generate unique PEL IDs

Create generatePELID() to return a unique 4B PEL ID every time it is
called. It will start at a base value, and then increment by 1 each

PEL: Add function to generate unique PEL IDs

Create generatePELID() to return a unique 4B PEL ID every time it is
called. It will start at a base value, and then increment by 1 each
time. It uses a file to save the next value to use.

This will be used by the PEL handling code to create unique values
for the error log ID field in the Private Header section.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I841a8dcc5dc48e2b663004be3dccfb114ba366f2

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