Disable built-in SHA-256 in accel_hash too

Now that Entropy doesn't need it any more, we can have driver-only
SHA-256 (and 224 with it) in the non-USE_PSA component too.

This reveals a missing PSA_INIT in a PK test using SHA-256.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 2caa65f..20f61fc 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -760,7 +760,7 @@
 #endif
 
     mbedtls_pk_init(&pk);
-    USE_PSA_INIT();
+    MD_OR_USE_PSA_INIT();
 
     memset(hash, 0x2a, sizeof(hash));
     memset(sig, 0, sizeof(sig));
@@ -824,7 +824,7 @@
     mbedtls_pk_restart_free(rs_ctx);
 #endif
     mbedtls_pk_free(&pk);
-    USE_PSA_DONE();
+    MD_OR_USE_PSA_DONE();
 }
 /* END_CASE */