Blackfin: bf537-stamp/bf548-ezkit: update POST flash block range

Update the define names for the new common code, and improve the range
used on the bf548-ezkit.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

include/configs/bf537-stamp.h

@@ -264,8 +264,8 @@
 	GPIO_PF5, GPIO_PF4, GPIO_PF3, GPIO_PF2,
 #define CONFIG_POST_BSPEC2_GPIO_NAMES \
 	10, 11, 12, 13,
-#define FLASH_START_POST_BLOCK	11	/* Should > = 11 */
-#define FLASH_END_POST_BLOCK	71	/* Should < = 71 */
+#define CONFIG_SYS_POST_FLASH_START	11
+#define CONFIG_SYS_POST_FLASH_END	71
 #endif
 
 /* These are for board tests */

include/configs/bf548-ezkit.h

@@ -203,8 +203,8 @@
 	GPIO_PB8, GPIO_PB9, GPIO_PB10, GPIO_PB11
 #define CONFIG_POST_BSPEC2_GPIO_NAMES \
 	13, 12, 11, 10,
-#define FLASH_START_POST_BLOCK 11       /* Should > = 11 */
-#define FLASH_END_POST_BLOCK   71       /* Should < = 71 */
+#define CONFIG_SYS_POST_FLASH_START	10
+#define CONFIG_SYS_POST_FLASH_END	127
 #endif