util: Fix packet parser for Python3

Change-Id: Id5124135b0dd4049ce6531d7bdbc562d33f4d299
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/40075
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed