libipt, block: always forward exec mode events
libipt, block: always forward exec mode events

Execution mode events are silently processed by the decoder.

Also forward them to the user.

Change-Id: Ic65d83507e487888e1485486ab90ae6163501902
Signed-off-by: Markus Metzger <5f675b2b36595f90898e014b548ff7d9bbff2ab7@intel.com>

01org/processor-trace,01org/processor-trace,01org/processor-trace