soc/intel/cannonlake: Invoke pmc and hard reset only if CSE fails to reset

If CSE fails to do a global reset with the calling sequence of heci
reset/send/receive, then invoke pmc and hard reset.

TEST= Force global reset from early or late romstage. The function
send_heci_reset_message has the calling sequence of heci reset/send/receive.
It is observed timed out error (associated with heci_receive) occurs
only if global reset is forced during early romstage. If global reset is
trigged at late stage (i.e, after fsp_memory_init), then no timed out error
and CSE handles reset properly.

Change-Id: I5bb12554e5745d7704a1b684a3a51034bb35f787
Signed-off-by: John Zhao <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/22549
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

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