There's a small window of opportunity when CPU is already in SMM but has
not yet entered S3 for a wake event to happen, which would cause a failed
S3 entry. Check for pending events at the very last moment possible, and
if there are pending wake events report them.
BUG=b:111100312
TEST=build and boot grunt.
Change-Id: I9472fdf481897fcf9f4c669f6b1514ef479fce7a
Signed-off-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-on: https://review.coreboot.org/28247
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
b74e399c7d