tests: samples: tfm: Increase timeout for tfm samples tests
tests: samples: tfm: Increase timeout for tfm samples tests

Scenarios sample.tfm.psa_test_crypto and
sample.tfm.psa_test_crypto require longer timeout to fully finish.
This commit increase them accordingly.

Signed-off-by: Maciej Perkowski <cb34e965b6a5a3425eafdbd0feb7e469ae1417ea@nordicsemi.no>

galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr