ectool: Add 'tsv' parameter to usbpdmuxinfo
ectool: Add 'tsv' parameter to usbpdmuxinfo

The 'tsv' parameter can be used to output in tab-separated-value form,
which is intended to be parsed in scripts or programs.

Column definitions can be accessed in the ectool help command.

BRANCH=none
BUG=b:205858702
TEST=Run `ectool usbpdmuxinfo` with various arguments

Change-Id: Ifcf3eb76815e071b2e43cf244a5345a40fc6771e
Signed-off-by: Drew Davenport <0076a04f3f2b16eeeed106bf047eafe8e5331162@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3278632
Reviewed-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Commit-Queue: Drew Davenport <0076a04f3f2b16eeeed106bf047eafe8e5331162@chromium.org>
Tested-by: Drew Davenport <0076a04f3f2b16eeeed106bf047eafe8e5331162@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec