ptxed: add --verbose option

Add a new option --verbose|-v to print information about the process image.

Change-Id: I5fd17e2f9ffb30fa4aea210064a97b076a1cf7b5
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
ptxed: extend pt offset into pt range

Ptxed allows an optional offset to be given to the PT file argument.  Extend
this to an optional range.

Change-Id: I245dffb5c61b3cb8537a6ff93419984af6591de9
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>