mpc83xx: add h/w flash protection to board configs

the operating system may leave flash in a h/w locked state after writing.
This allows u-boot to continue to write flash by enabling h/w unlocking
by default.

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/include/configs/MPC8349ITX.h b/include/configs/MPC8349ITX.h
index fa0c0a7..81ea9f8 100644
--- a/include/configs/MPC8349ITX.h
+++ b/include/configs/MPC8349ITX.h
@@ -190,6 +190,7 @@
 #define CFG_FLASH_BANKS_LIST	{CFG_FLASH_BASE, CFG_FLASH_BASE + 0x800000}
 #define CFG_FLASH_SIZE		16		/* FLASH size in MB */
 #define CFG_FLASH_SIZE_SHIFT	4		/* log2 of the above value */
+#define CFG_FLASH_PROTECTION	1		/* Use h/w Flash protection. */
 
 /* Vitesse 7385 */