fpga: add #define for Altera Cyclone EP3C5

Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
diff --git a/include/ACEX1K.h b/include/ACEX1K.h
index ae20164..2bb9226 100644
--- a/include/ACEX1K.h
+++ b/include/ACEX1K.h
@@ -76,6 +76,7 @@
 #define Altera_EP2C8_SIZE	247942
 #define Altera_EP2C20_SIZE	586562
 #define Altera_EP2C35_SIZE	883905
+#define Altera_EP3C5_SIZE	368011		/* .rbf size in bytes */
 
 /* Descriptor Macros
  *********************************************************************/