Add bignum merge scaffolding

Signed-off-by: Janos Follath <janos.follath@arm.com>
diff --git a/library/bignum_core.c b/library/bignum_core.c
index b990a8d..34aecda 100644
--- a/library/bignum_core.c
+++ b/library/bignum_core.c
@@ -553,7 +553,6 @@
     }
 }
 
-
 /* Fill X with n_bytes random bytes.
  * X must already have room for those bytes.
  * The ordering of the bytes returned from the RNG is suitable for
@@ -581,4 +580,44 @@
     return( ret );
 }
 
+/* BEGIN MERGE SLOT 1 */
+
+/* END MERGE SLOT 1 */
+
+/* BEGIN MERGE SLOT 2 */
+
+/* END MERGE SLOT 2 */
+
+/* BEGIN MERGE SLOT 3 */
+
+/* END MERGE SLOT 3 */
+
+/* BEGIN MERGE SLOT 4 */
+
+/* END MERGE SLOT 4 */
+
+/* BEGIN MERGE SLOT 5 */
+
+/* END MERGE SLOT 5 */
+
+/* BEGIN MERGE SLOT 6 */
+
+/* END MERGE SLOT 6 */
+
+/* BEGIN MERGE SLOT 7 */
+
+/* END MERGE SLOT 7 */
+
+/* BEGIN MERGE SLOT 8 */
+
+/* END MERGE SLOT 8 */
+
+/* BEGIN MERGE SLOT 9 */
+
+/* END MERGE SLOT 9 */
+
+/* BEGIN MERGE SLOT 10 */
+
+/* END MERGE SLOT 10 */
+
 #endif /* MBEDTLS_BIGNUM_C */