Update name of mbedtls_mpi_montg_init()

Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/tests/suites/test_suite_mpi.function b/tests/suites/test_suite_mpi.function
index 71912b1..2a09fe4 100644
--- a/tests/suites/test_suite_mpi.function
+++ b/tests/suites/test_suite_mpi.function
@@ -2035,8 +2035,8 @@
     TEST_EQUAL( 1, N.s );
     TEST_EQUAL( 1, mm.s );
 
-    /* mbedtls_mpi_montg_init() only returns a result, no error possible */
-    mbedtls_mpi_uint result = mbedtls_mpi_montg_init( N.p );
+    /* mbedtls_mpi_core_montmul_init() only returns a result, no error possible */
+    mbedtls_mpi_uint result = mbedtls_mpi_core_montmul_init( N.p );
 
     /* Check we got the correct result */
     TEST_EQUAL( result, mm.p[0] );
@@ -2096,7 +2096,7 @@
     TEST_EQUAL( 0, mbedtls_mpi_grow( &T, limbs_AN * 2 + 1 ) );
 
     /* Calculate the Montgomery constant (this is unit tested separately) */
-    mbedtls_mpi_uint mm = mbedtls_mpi_montg_init( N.p );
+    mbedtls_mpi_uint mm = mbedtls_mpi_core_montmul_init( N.p );
 
     TEST_EQUAL( 0, mbedtls_mpi_grow( &R, limbs_AN ) ); /* ensure it's got the right number of limbs */