NRFX-8577: Fix spi_controller_periheral on LV10 NS

Disable console on TFM so the test can use that instance
of serial box.

Signed-off-by: Sebastian Głąb <sebastian.glab@nordicsemi.no>

Author: nordic-segl

tests/zephyr/drivers/spi/spi_controller_peripheral/boards/nrf54lv10dk_nrf54lv10a_cpuapp_ns.conf

@@ -0,0 +1 @@
+CONFIG_TFM_LOG_LEVEL_SILENCE=y