Add missing dependencies

Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 920a473..ecb093e 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -915,7 +915,8 @@
     }
 #endif
 
-#if defined(MBEDTLS_HMAC_DRBG_C)
+#if defined(MBEDTLS_HMAC_DRBG_C) && \
+    ( defined(MBEDTLS_SHA1_C) || defined(MBEDTLS_SHA256_C) )
     if( todo.hmac_drbg )
     {
         mbedtls_hmac_drbg_context hmac_drbg;
@@ -958,7 +959,7 @@
 #endif
         mbedtls_hmac_drbg_free( &hmac_drbg );
     }
-#endif
+#endif /* MBEDTLS_HMAC_DRBG_C && ( MBEDTLS_SHA1_C || MBEDTLS_SHA256_C ) */
 
 #if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_GENPRIME)
     if( todo.rsa )