oprofile: Add Support for Intel CPU Family 6 / Model 29

This patch adds CPU type detection for dunnington processor (Family 6
/ Model 29) to be identified as core 2 family cpu type (wikipedia
source).

I tested oprofile on Intel(R) Xeon(R) CPU E7440 reporting itself as
model 29, and it runs without an issue.

Spec:

 http://www.intel.com/Assets/en_US/PDF/specupdate/320336.pdf



Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: stable@kernel.org
Signed-off-by: Robert Richter <robert.richter@amd.com>