am335x_evm: Correct BOOTCOUNT driver support

We need to set the 'BE' flag here for things to work right.

Signed-off-by: Tom Rini <trini@ti.com>

include/configs/am335x_evm.h

@@ -223,6 +223,7 @@
 /* Bootcount using the RTC block */
 #define CONFIG_BOOTCOUNT_LIMIT
 #define CONFIG_BOOTCOUNT_AM33XX
+#define CONFIG_SYS_BOOTCOUNT_BE
 
 /* USB gadget RNDIS */
 #define CONFIG_SPL_MUSB_NEW_SUPPORT