libipt, ild: skip prefix_done()
libipt, ild: skip prefix_done()

Now that we pass the length to opcode_dec(), there's no need to go through
prefix_done() in non-64-bit cases.  Directly call opcode_dec().

Change-Id: I5cc65f86bff75bbb1763b0cc50dfcd3ea95a171e
Signed-off-by: Markus Metzger <5f675b2b36595f90898e014b548ff7d9bbff2ab7@intel.com>

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