Move variant test to ecp_curves

We would like to de-duplicate ecp.c, but ecp_curves.c remains duplicated
and we still want to test for the active variant.

Signed-off-by: Janos Follath <janos.follath@arm.com>
diff --git a/library/ecp.c b/library/ecp.c
index 25af631..d027564 100644
--- a/library/ecp.c
+++ b/library/ecp.c
@@ -3638,16 +3638,6 @@
 
 #endif /* MBEDTLS_SELF_TEST */
 
-#if defined(MBEDTLS_TEST_HOOKS)
-
-MBEDTLS_STATIC_TESTABLE
-mbedtls_ecp_variant mbedtls_ecp_get_variant(void)
-{
-    return MBEDTLS_ECP_VARIANT_WITH_MPI_STRUCT;
-}
-
-#endif /* MBEDTLS_TEST_HOOKS */
-
 #endif /* !MBEDTLS_ECP_ALT */
 
 #endif /* MBEDTLS_ECP_LIGHT */
diff --git a/library/ecp_curves.c b/library/ecp_curves.c
index 4ea36e3..7b850e5 100644
--- a/library/ecp_curves.c
+++ b/library/ecp_curves.c
@@ -5463,6 +5463,16 @@
 }
 #endif /* MBEDTLS_ECP_DP_SECP256K1_ENABLED */
 
+#if defined(MBEDTLS_TEST_HOOKS)
+
+MBEDTLS_STATIC_TESTABLE
+mbedtls_ecp_variant mbedtls_ecp_get_variant(void)
+{
+    return MBEDTLS_ECP_VARIANT_WITH_MPI_STRUCT;
+}
+
+#endif /* MBEDTLS_TEST_HOOKS */
+
 #endif /* !MBEDTLS_ECP_ALT */
 
 #endif /* MBEDTLS_ECP_LIGHT */
diff --git a/library/ecp_curves_new.c b/library/ecp_curves_new.c
index 9a36016..d431dcf 100644
--- a/library/ecp_curves_new.c
+++ b/library/ecp_curves_new.c
@@ -6039,6 +6039,17 @@
     return 0;
 }
 #endif /* MBEDTLS_TEST_HOOKS */
+
+#if defined(MBEDTLS_TEST_HOOKS)
+
+MBEDTLS_STATIC_TESTABLE
+mbedtls_ecp_variant mbedtls_ecp_get_variant(void)
+{
+    return MBEDTLS_ECP_VARIANT_WITH_MPI_UINT;
+}
+
+#endif /* MBEDTLS_TEST_HOOKS */
+
 #endif /* !MBEDTLS_ECP_ALT */
 #endif /* MBEDTLS_ECP_LIGHT */
 #endif /* MBEDTLS_ECP_WITH_MPI_UINT */
diff --git a/library/ecp_new.c b/library/ecp_new.c
index 0635d53..16c4fc0 100644
--- a/library/ecp_new.c
+++ b/library/ecp_new.c
@@ -3638,16 +3638,6 @@
 
 #endif /* MBEDTLS_SELF_TEST */
 
-#if defined(MBEDTLS_TEST_HOOKS)
-
-MBEDTLS_STATIC_TESTABLE
-mbedtls_ecp_variant mbedtls_ecp_get_variant()
-{
-    return MBEDTLS_ECP_VARIANT_WITH_MPI_UINT;
-}
-
-#endif /* MBEDTLS_TEST_HOOKS */
-
 #endif /* !MBEDTLS_ECP_ALT */
 
 #endif /* MBEDTLS_ECP_LIGHT */