Change in coreboot[master]: chromeec: Rewrite google_chromeec_status_check

[Paul Menzel (Code Review)]

Attention is currently required from: Martin Roth, Rob Barnes.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/51775 )

Change subject: chromeec: Rewrite google_chromeec_status_check
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Patch Set 4:

(2 comments)

File src/ec/google/chromeec/ec_lpc.c:

https://review.coreboot.org/c/coreboot/+/51775/comment/eb52789d_589aefcd 
PS4, Line 105: 			return 0;
Print the stopwatch value in a spew message?

https://review.coreboot.org/c/coreboot/+/51775/comment/7da0ac24_a9952849 
PS4, Line 108: 
Please print a warning/error with the timeout value.