sf: update sst25wf040b flash params

sst25wf040b doesn't support Auto Address Increment Programming command.
Remove SST_WR flag.
Signed-off-by: NHaikun Wang <B53464@freescale.com>
Tested-by: NHaikun Wang <haikun.wang@freescale.com>
Reviewed-by: NJagannadh Teki <jteki@openedev.com>

drivers/mtd/spi/sf_params.c

@@ -100,7 +100,7 @@ const struct spi_flash_params spi_flash_params_table[] = {
 	{"SST25WF010",	   0xbf2502, 0x0,	64 * 1024,     2, RD_NORM,          SECT_4K | SST_WR},
 	{"SST25WF020",	   0xbf2503, 0x0,	64 * 1024,     4, RD_NORM,	    SECT_4K | SST_WR},
 	{"SST25WF040",	   0xbf2504, 0x0,	64 * 1024,     8, RD_NORM,	    SECT_4K | SST_WR},
-	{"SST25WF040B",	   0x621613, 0x0,	64 * 1024,     8, RD_NORM,	    SECT_4K | SST_WR},
+	{"SST25WF040B",	   0x621613, 0x0,	64 * 1024,     8, RD_NORM,		     SECT_4K},
 	{"SST25WF080",	   0xbf2505, 0x0,	64 * 1024,    16, RD_NORM,	    SECT_4K | SST_WR},
 #endif
 #ifdef CONFIG_SPI_FLASH_WINBOND		/* WINBOND */