UPSTREAM: soc/intel/skylake: Use Intel timer common code

Use timer  code from  soc/intel/common. This code removes
monotonic timer refrence w.r.t MSR 24Mhz counter(0x637)
and use tsc timer.

BUG=none
BRANCH=none
TEST=none

Change-Id: I683f57a57f0de9c99b7be984250f0aa408886e4e
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 842776e1dcb310e889d2ba922be9d7b81a1c2dd0
Original-Change-Id: I7fad620b11c9e5db128f646639c79ea58a0a574f
Original-Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Original-Reviewed-on: https://review.coreboot.org/19912
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/524603
4 files changed