Fix minor issues

- parameter name in function description
- test_suite_ecp.data: add new line at the end of file

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index e71a445..395db14 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -1281,7 +1281,7 @@
 /**
  * \brief           This function exports generic key-pair parameters.
  *
- * \param kp        The key pair to export from.
+ * \param key       The key pair to export from.
  * \param grp       Slot for exported ECP group.
  *                  It must point to an initialized ECP group.
  * \param d         Slot for the exported secret value.