At least one channel must be present, so print an error if there is
not. However, we cannot always assume it will be the first channel,
so make the appropriate selection when printing the timings.
Found-by: Coverity Scan #1370{584,585,588,589,590-596,600}
Signed-off-by: Jacob Garber <jgarber1@ualberta.ca>
Change-Id: I6b59989242e498474782876302e0850e3e4cf2d3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32713
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>