Rename DH Family Macros According to PSA Spec

Rename PSA_DH_GROUP_xxx to PSA_DH_FAMILY_xxx, also rename
PSA_KEY_TYPE_GET_GROUP to PSA_KEY_TYPE_DH_GET_FAMILY and rename
psa_dh_group_t to psa_dh_family_t. Old defines are provided in
include/crypto_compat.h for backward compatibility.

Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index ff79872..4576b8b 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -1299,11 +1299,14 @@
     TEST_EQUAL( PSA_ECC_CURVE_BRAINPOOL_P_R1, PSA_ECC_FAMILY_BRAINPOOL_P_R1 );
     TEST_EQUAL( PSA_ECC_CURVE_MONTGOMERY, PSA_ECC_FAMILY_MONTGOMERY );
 
-    TEST_EQUAL( PSA_DH_GROUP_FFDHE2048, PSA_DH_GROUP_RFC7919 );
-    TEST_EQUAL( PSA_DH_GROUP_FFDHE3072, PSA_DH_GROUP_RFC7919 );
-    TEST_EQUAL( PSA_DH_GROUP_FFDHE4096, PSA_DH_GROUP_RFC7919 );
-    TEST_EQUAL( PSA_DH_GROUP_FFDHE6144, PSA_DH_GROUP_RFC7919 );
-    TEST_EQUAL( PSA_DH_GROUP_FFDHE8192, PSA_DH_GROUP_RFC7919 );
+    TEST_EQUAL( PSA_DH_GROUP_FFDHE2048, PSA_DH_FAMILY_RFC7919 );
+    TEST_EQUAL( PSA_DH_GROUP_FFDHE3072, PSA_DH_FAMILY_RFC7919 );
+    TEST_EQUAL( PSA_DH_GROUP_FFDHE4096, PSA_DH_FAMILY_RFC7919 );
+    TEST_EQUAL( PSA_DH_GROUP_FFDHE6144, PSA_DH_FAMILY_RFC7919 );
+    TEST_EQUAL( PSA_DH_GROUP_FFDHE8192, PSA_DH_FAMILY_RFC7919 );
+
+    TEST_EQUAL( PSA_DH_GROUP_RFC7919, PSA_DH_FAMILY_RFC7919 );
+    TEST_EQUAL( PSA_DH_GROUP_CUSTOM, PSA_DH_FAMILY_CUSTOM );
 #endif
 }
 /* END_CASE */