xed example tool: fix -b assumed-base knob to work in raw binaries (-ir)
xed example tool: fix -b assumed-base knob to work in raw binaries (-ir)

Change-Id: I5589be85ffaab5a0ce6cf24b4b9a58cb5cca3c23
(cherry picked from commit a8fbdd35d7fe745d6e38b8d2d96b7488a37bb9da)

intelxed/xed,intelxed/xed,intelxed/xed,intelxed/xed