mpc8641hpcn: Use physical address in flash banks defintion

If the VA and PA of the flash aren't the same, the banks list
should be initialized to hold the physical address.  Correct this.

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>

include/configs/MPC8641HPCN.h

@@ -186,7 +186,7 @@ extern unsigned long get_board_sys_clk(unsigned long dummy);
 #define CONFIG_SYS_FLASH_BASE_PHYS	(CONFIG_SYS_FLASH_BASE \
 					 | CONFIG_SYS_PHYS_ADDR_HIGH)
 
-#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE}
+#define CONFIG_SYS_FLASH_BANKS_LIST {CONFIG_SYS_FLASH_BASE_PHYS}
 
 #define CONFIG_SYS_BR0_PRELIM	(BR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS) \
 				 | 0x00001001)	/* port size 16bit */