tcpci: fix tcpc_alert error message
tcpci: fix tcpc_alert error message

this adds a missing newline to the end of a CPRINTF format string.

BRANCH=none
BUG=none
TEST=builall passes

Change-Id: I4a380983bce107af7a0f6eb7304bb9090c5b621a
Signed-off-by: Caveh Jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1886033
Reviewed-by: Caveh Jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@google.com>
Commit-Queue: Sean Abraham <175a5718c779173dfba7a5f72889805f1af1d4f5@chromium.org>

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