Fix trivial typo in cros_ec_parse_param() description

Looks like the fingers of whoever wrote that were working faster
than his brain that day.

BUG=none
BRANCH=none
TEST=it's just a comment.

Change-Id: I9ed1a658d35e0b691075b988845a37b89f1af138
Reviewed-on: https://chromium-review.googlesource.com/217713
Tested-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Commit-Queue: David Hendricks <dhendrix@chromium.org>
1 file changed