libipt, insn: use decode_insn() for decoding instructions

Change all functions that need to decode instructions to use decode_insn() for
both reading memory and the actual instruction decode.

Change-Id: I9765780b363dd65576d1d090e39759064adbab1a
Signed-off-by: Markus Metzger <markus.t.metzger@intel.com>
1 file changed