doc: fix documentation reference

Intel Processor Trace is documented in ยง35 of Vol-3C of the Intel SDM.  Fix
the outdated link in the getting started documentation.  We remain a bit
vague with respect to the actual chapter number in case it moves.

Fixes #54.

Change-Id: I5f06e9f590f269f29dc46d10d12392f4f7992218
Signed-off-by: Markus Metzger <>
1 file changed