chip/npcx: fix cprints arguments
chip/npcx: fix cprints arguments

this fixes the format string used in cprints.  the intent was clearly
string concatenation, but instead 2 strings were passed to cprints.

BUG=none
BRANCH=none
TEST=buildall passes, boots on atlas

Change-Id: I8942c4f5fd99b490a3da8a6a289d23454509e69d
Signed-off-by: Caveh Jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1826177
Reviewed-by: Mulin Chao <6bbc5af053a1dfdc363be6857f30de4ac3bcbd16@nuvoton.com>
Reviewed-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>

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