dts/arm/nuvoton/npcx: Fix uart2 clock on npcx4

Commit 08fedb4a80c3 ("drivers: uart: npcx: add asychronous API support")
missed updating the clocks for uart2. This patch fixes it.

Signed-off-by: Ederson de Souza <ederson.desouza@intel.com>
1 file changed