cros_ec_dev: Make command result message clearer

This just updates a print to add "0x" in front of a hex
number and change the word "transfer" to "command" (which
matches the variable name used).

BUG=none
BRANCH=none
TEST=compile tested only

Signed-off-by: David Hendricks <dhendrix@chromium.org>
Change-Id: Iae1f69486d4a6fb42f415fe4fe63a224b3e9c675
Reviewed-on: https://chromium-review.googlesource.com/263758
Reviewed-by: Shawn N <shawnn@chromium.org>
1 file changed