dragonboard410c: Add CONFIG_SYS_CACHELINE_SIZE

Add missing define to board header file.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Acked-by: Marek Vasut <marex@denx.de>
Reviewed-by: Andreas Färber <afaerber@suse.de>
diff --git a/include/configs/dragonboard410c.h b/include/configs/dragonboard410c.h
index a63440f..26f95a7 100644
--- a/include/configs/dragonboard410c.h
+++ b/include/configs/dragonboard410c.h
@@ -27,6 +27,8 @@
 #define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x80000)
 #define CONFIG_SYS_BOOTM_LEN		0x1000000 /* 16MB max kernel size */
 
+#define CONFIG_SYS_CACHELINE_SIZE	64
+
 /* UART */
 #define CONFIG_BAUDRATE			115200