Fix entropy_inject test compilation

Include to crypto.h file will fail on targets without TARGET_PSA support
Moving prerequisites check before include.

Author: Alexander Zilberkant

TESTS/psa/entropy_inject/main.cpp

@@ -16,6 +16,10 @@
 * limitations under the License.
 */
 
+#if ((!defined(TARGET_PSA) || (!defined(COMPONENT_PSA_SRV_IPC)) && !defined(MBEDTLS_ENTROPY_NV_SEED)))
+#error [NOT_SUPPORTED] PSA entropy injection tests can run only on PSA-enabled targets.
+#endif // TARGET_PSA
+
 #include "greentea-client/test_env.h"
 #include "unity/unity.h"
 #include "utest/utest.h"
@@ -25,10 +29,6 @@
 #include "entropy_poll.h"
 #include "crypto.h"
 
-#if ((!defined(TARGET_PSA) || (!defined(COMPONENT_PSA_SRV_IPC)) && !defined(MBEDTLS_ENTROPY_NV_SEED)))
-#error [NOT_SUPPORTED] PSA entropy injection tests can run only on PSA-enabled targets.
-#endif // TARGET_PSA
-
 /* MAX value support macro */
 #if !defined(MAX)
 #define MAX(a,b) (((a)>(b))?(a):(b))