CHROMIUM: drm/i915: (M62 only) Force TP2 time to 3 for KBL

There are reports of GPU hang with low TP2 time.
Force it to 3 for now.

This is a spiritial revert of CL:*466396 and CL:*465672

BUG=b:67599437
TEST=No flicker / cheets_CTS_N.x86.CtsMonkeyTestCases

Change-Id: I0dbfcda22264a3d0a839d9e4fba7166a932159f2
Signed-off-by: Puthikorn Voravootivat <[email protected]>
Reviewed-on: https://chromium-review.googlesource.com/727561
Reviewed-by: Ilja H. Friedel <[email protected]>
1 file changed