[nrf toup][nrfconnect] add missing Mbed TLS Kconfig option

Add missing dependency CONFIG_MBEDTLS_X509_CRT_PARSE_C to test_driver
configuration.

Signed-off-by: Tomi Fontanilles <tomi.fontanilles@nordicsemi.no>

Author: tomi-font

src/test_driver/nrfconnect/prj.conf

@@ -45,6 +45,7 @@ CONFIG_MBEDTLS_USER_CONFIG_ENABLE=y
 CONFIG_MBEDTLS_USER_CONFIG_FILE="app_mbedtls_config.h"
 CONFIG_MBEDTLS_ENTROPY_POLL_ZEPHYR=y
 CONFIG_MBEDTLS_ENTROPY_C=y
+CONFIG_MBEDTLS_X509_CRT_PARSE_C=y
 CONFIG_MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED=y
 CONFIG_MBEDTLS_PSA_CRYPTO_C=y
 CONFIG_MBEDTLS_MEMORY_DEBUG=y