i965: Dump brw_state_batch data in an easier format for cross-referencing.

i965: Dump brw_state_batch data in an easier format for cross-referencing.

Now that we're using state base addresses for most things, we're less
interested in the absolute address of the state, and more in its
offset from the state base address (start of batchbuffer).  Also,
reorder the printout so it looks more like the batchbuffer dump.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>