Blackfin: BF537-stamp: drop board-specific flash driver for CFI

The parallel flash on the BF537-STAMP is CFI compliant, so there is no need
for the board specific driver at all.  Just use the common CFI driver.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/configs/bf537-stamp.h b/include/configs/bf537-stamp.h
index 0679f43..0e189d4 100644
--- a/include/configs/bf537-stamp.h
+++ b/include/configs/bf537-stamp.h
@@ -286,6 +286,11 @@
 #define	CFG_SDRAM_BASE		0x00000000
 
 #define CFG_FLASH_BASE		0x20000000
+#define CFG_FLASH_CFI		/* The flash is CFI compatible */
+#define CFG_FLASH_CFI_DRIVER	/* Use common CFI driver */
+#define CFG_FLASH_PROTECTION
+#define CFG_MAX_FLASH_BANKS	1
+#define CFG_MAX_FLASH_SECT	71	/* some have 67 sectors (M29W320DB), but newer have 71 (M29W320EB) */
 
 #define	CFG_MONITOR_LEN		(256 << 10)	/* Reserve 256 kB for Monitor	*/
 #define CFG_MONITOR_BASE	(CFG_MAX_RAM_SIZE - CFG_MONITOR_LEN)
@@ -295,10 +300,6 @@
 #define CFG_GBL_DATA_ADDR	(CFG_MALLOC_BASE - CFG_GBL_DATA_SIZE)
 #define CONFIG_STACKBASE	(CFG_GBL_DATA_ADDR  - 4)
 
-#define	CFG_BOOTMAPSZ		(8 << 20)	/* Initial Memory map for Linux */
-#define CFG_MAX_FLASH_BANKS	1	/* max number of memory banks */
-#define CFG_MAX_FLASH_SECT	71	/* max number of sectors on one chip */
-
 #if (BFIN_BOOT_MODE == BF537_BYPASS_BOOT) || (BFIN_BOOT_MODE == BF537_UART_BOOT)
 /* for bf537-stamp, usrt boot mode still store env in flash */
 #define	CFG_ENV_IS_IN_FLASH	1