Update config files to make PSA FFDH undependent on MBEDTLS_DHM_C

To enable support for FFDH in PSA MBEDTLS_USE_PSA_CRYPTO needs to be enabled.

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index 7046c51..a50f3d5 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -151,7 +151,6 @@
 #if defined(PSA_WANT_ALG_FFDH)
 #if !defined(MBEDTLS_PSA_ACCEL_ALG_FFDH)
 #define MBEDTLS_PSA_BUILTIN_ALG_FFDH 1
-#define MBEDTLS_DHM_C
 #define MBEDTLS_BIGNUM_C
 #endif /* !MBEDTLS_PSA_ACCEL_ALG_FFDH */
 #endif /* PSA_WANT_ALG_FFDH */
@@ -298,7 +297,6 @@
 #if defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR)
 #if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_DH_KEY_PAIR)
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR 1
-#define MBEDTLS_DHM_C
 #define MBEDTLS_BIGNUM_C
 #endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_DH_KEY_PAIR */
 #endif /* PSA_WANT_KEY_TYPE_DH_KEY_PAIR */
@@ -314,7 +312,6 @@
 #if defined(PSA_WANT_KEY_TYPE_DH_PUBLIC_KEY)
 #if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_DH_PUBLIC_KEY)
 #define MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_PUBLIC_KEY 1
-#define MBEDTLS_DHM_C
 #define MBEDTLS_BIGNUM_C
 #endif /* !MBEDTLS_PSA_ACCEL_KEY_TYPE_DH_PUBLIC_KEY */
 #endif /* PSA_WANT_KEY_TYPE_DH_PUBLIC_KEY */
@@ -675,15 +672,6 @@
 #define PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY 1
 #endif /* MBEDTLS_ECP_C */
 
-#if defined(MBEDTLS_DHM_C)
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_KEY_PAIR 1
-#define PSA_WANT_KEY_TYPE_DH_KEY_PAIR 1
-#define MBEDTLS_PSA_BUILTIN_KEY_TYPE_DH_PUBLIC_KEY 1
-#define PSA_WANT_KEY_TYPE_DH_PUBLIC_KEY 1
-#define MBEDTLS_PSA_BUILTIN_ALG_FFDH 1
-#define PSA_WANT_ALG_FFDH 1
-#endif /* MBEDTLS_DHM_C */
-
 #if defined(MBEDTLS_GCM_C)
 #define MBEDTLS_PSA_BUILTIN_ALG_GCM 1
 #define PSA_WANT_ALG_GCM 1
diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 3dff049..c08a860 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -65,6 +65,7 @@
 #define PSA_WANT_ALG_DETERMINISTIC_ECDSA        1
 #define PSA_WANT_ALG_ECB_NO_PADDING             1
 #define PSA_WANT_ALG_ECDH                       1
+#define PSA_WANT_ALG_FFDH                       1
 #define PSA_WANT_ALG_ECDSA                      1
 #define PSA_WANT_ALG_JPAKE                      1
 #define PSA_WANT_ALG_GCM                        1
@@ -126,8 +127,8 @@
 #define PSA_WANT_KEY_TYPE_DES                   1
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR          1
 #define PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY        1
-#define PSA_WANT_KEY_TYPE_DH_KEY_PAIR         1
-#define PSA_WANT_KEY_TYPE_DH_PUBLIC_KEY       1
+#define PSA_WANT_KEY_TYPE_DH_KEY_PAIR           1
+#define PSA_WANT_KEY_TYPE_DH_PUBLIC_KEY         1
 #define PSA_WANT_KEY_TYPE_RAW_DATA              1
 #define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR          1
 #define PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY        1