[coreboot-gerrit] Patch merged into coreboot/master: drivers/i2c/tpm/cr50: Support interrupts for status

the following patch was just integrated into master:
commit a5e419c51187d24818f056327746a18676fe3a20
Author: Duncan Laurie 
Date:   Mon Sep 19 17:22:10 2016 -0700

drivers/i2c/tpm/cr50: Support interrupts for status

Support reading the ACPI GPE status (on x86) to determine when
    the cr50 is ready to return response data or is done processing
    written data.  If the interrupt is not defined by Kconfig then
    it will continue to use the safe delay.

This was tested with reef hardware and a modified cr50 image
    that generates interrupts at the intended points.

BUG=chrome-os-partner:53336

Change-Id: I9f78f520fd089cb4471d8826a8cfecff67398bf8
    Signed-off-by: Duncan Laurie

See https://review.coreboot.org/16660 for details.

-gerrit