Enable buildin PSA PAKE implementation when ECJPAKE_C is selected

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 991be96..58fb3b1 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -65,6 +65,7 @@
 #define PSA_WANT_ALG_ECB_NO_PADDING             1
 #define PSA_WANT_ALG_ECDH                       1
 #define PSA_WANT_ALG_ECDSA                      1
+#define PSA_WANT_ALG_ECJPAKE                    1
 #define PSA_WANT_ALG_GCM                        1
 #define PSA_WANT_ALG_HKDF                       1
 #define PSA_WANT_ALG_HKDF_EXTRACT               1