Only include psa_pake_setup() and friends if some PAKE algorithms are required

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 7b6f05b..2bd4df1 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -7384,6 +7384,7 @@
     return PSA_SUCCESS;
 }
 
+#if defined(PSA_WANT_ALG_SOME_PAKE)
 psa_status_t psa_pake_setup(
     psa_pake_operation_t *operation,
     const psa_pake_cipher_suite_t *cipher_suite)
@@ -8100,5 +8101,6 @@
 
     return status;
 }
+#endif /* PSA_WANT_ALG_SOME_PAKE */
 
 #endif /* MBEDTLS_PSA_CRYPTO_C */