Hook the new psa_sim_crypto_{client,server} into the build and tests

- smoke test client.c becomes a trivial call to psa_crypto_init()
- server.c now uses psa_sim_crypto_server.c's psa_crypto_call()
- Makefile is updated to build all the modules, and allow a different MAIN
- all.sh's test_psasim now tests the simulation of psa_hash_compute() too

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/tests/psa-client-server/psasim/src/server.c b/tests/psa-client-server/psasim/src/server.c
index 21b65c7..77ce269 100644
--- a/tests/psa-client-server/psasim/src/server.c
+++ b/tests/psa-client-server/psasim/src/server.c
@@ -53,6 +53,7 @@
     const int magic_num = 66;
     int client_disconnected = 0;
     char mbedtls_version[18];
+    extern psa_status_t psa_crypto_call(psa_msg_t msg);
 
     mbedtls_version_get_string_full(mbedtls_version);
     SERVER_PRINT("%s", mbedtls_version);
@@ -83,14 +84,7 @@
                         break;
                     default:
                         SERVER_PRINT("Got an IPC call of type %d", msg.type);
-                        switch (msg.type) {
-                            case PSA_CRYPTO_INIT:
-                                ret = psa_crypto_init();
-                                break;
-                            default:
-                                SERVER_PRINT("Unknown PSA function code");
-                                break;
-                        }
+                        ret = psa_crypto_call(msg);
                         SERVER_PRINT("Internal function call returned %d", ret);
 
                         if (msg.client_id > 0) {