[coreboot] patch: fix cbfstool malloc arena corruption

[Peter Stuge]

ron minnich wrote:
> There was a missing addition of the size of the .notes.pinfo 
> section header which could lead to corrupted malloc arena. 
> 
> Also, make cbfstool always build with debugging on. Performance
> is not an issue here. Don't strip it either. 
> 
> Signed-off-by: Ronald G. Minnich <rminnich at gmail.com>

Acked-by: Peter Stuge <peter at stuge.se>