Add size #defines for Altera Cyclone-II EP2C8 and EP2C20.

Signed-off-by: Andre Schwarz <andre.schwarz@matrix-vision.de>
diff --git a/include/ACEX1K.h b/include/ACEX1K.h
index 6ea0eed..354e0f0 100644
--- a/include/ACEX1K.h
+++ b/include/ACEX1K.h
@@ -77,6 +77,8 @@
 #endif
 #define Altera_EP1K100_SIZE	(166965*8)
 
+#define Altera_EP2C8_SIZE	247942
+#define Altera_EP2C20_SIZE	586562
 #define Altera_EP2C35_SIZE	883905
 
 /* Descriptor Macros