oprofile: upstep 0.9.7 patches to 0.9.8

The patches to oprofile 0.9.7 seem still relevant for 0.9.8, but for some
reason they were not upstepped.

[Peter: drop version number from patch filenames]
Signed-off-by: Thomas De Schampheleire <thomas.de.schampheleire@gmail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>