Add MBEDTLS_LMS_PRIVATE define

To enable private key operations

Signed-off-by: Raef Coles <raef.coles@arm.com>
diff --git a/tests/suites/test_suite_lmots.function b/tests/suites/test_suite_lmots.function
index 4492daa..73c9aff 100644
--- a/tests/suites/test_suite_lmots.function
+++ b/tests/suites/test_suite_lmots.function
@@ -8,7 +8,7 @@
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
- * depends_on:MBEDTLS_LMS_C:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_CTR_DRBG_C
+ * depends_on:MBEDTLS_LMS_C:MBEDTLS_LMS_PRIVATE:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_CTR_DRBG_C
  * END_DEPENDENCIES
  */
 
diff --git a/tests/suites/test_suite_lms.function b/tests/suites/test_suite_lms.function
index 64ea900..22c8eb5 100644
--- a/tests/suites/test_suite_lms.function
+++ b/tests/suites/test_suite_lms.function
@@ -6,7 +6,7 @@
 /* END_HEADER */
 
 /* BEGIN_DEPENDENCIES
- * depends_on:MBEDTLS_LMS_C:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_CTR_DRBG_C
+ * depends_on:MBEDTLS_LMS_C:MBEDTLS_LMS_PRIVATE:MBEDTLS_PSA_CRYPTO_C:MBEDTLS_CTR_DRBG_C
  * END_DEPENDENCIES
  */