am335x_evm: Define CONFIG_SYS_CACHELINE_SIZE

drivers/usb/gadget/composite.c requires that this is defined early.

Signed-off-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: Tom Rini <trini@ti.com>
Acked-by: Tom Rini <trini@ti.com>
diff --git a/include/configs/am335x_evm.h b/include/configs/am335x_evm.h
index b7c443c..8704933 100644
--- a/include/configs/am335x_evm.h
+++ b/include/configs/am335x_evm.h
@@ -39,6 +39,8 @@
 #define CONFIG_SETUP_MEMORY_TAGS
 #define CONFIG_INITRD_TAG
 
+#define CONFIG_SYS_CACHELINE_SIZE       64
+
 /* commands to include */
 #include <config_cmd_default.h>