Move the definition of derived values out of the settings section

Alternative implementations must no longer define these macros.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 05c33ff..8cb4fb4 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -249,9 +249,6 @@
 #define MBEDTLS_ECP_MAX_BITS     521   /**< The maximum size of groups, in bits. */
 #endif
 
-#define MBEDTLS_ECP_MAX_BYTES    ( ( MBEDTLS_ECP_MAX_BITS + 7 ) / 8 )
-#define MBEDTLS_ECP_MAX_PT_LEN   ( 2 * MBEDTLS_ECP_MAX_BYTES + 1 )
-
 #if !defined(MBEDTLS_ECP_WINDOW_SIZE)
 /*
  * Maximum "window" size used for point multiplication.
@@ -297,6 +294,9 @@
 #include "ecp_alt.h"
 #endif /* MBEDTLS_ECP_ALT */
 
+#define MBEDTLS_ECP_MAX_BYTES    ( ( MBEDTLS_ECP_MAX_BITS + 7 ) / 8 )
+#define MBEDTLS_ECP_MAX_PT_LEN   ( 2 * MBEDTLS_ECP_MAX_BYTES + 1 )
+
 #if defined(MBEDTLS_ECP_RESTARTABLE)
 
 /**