sf: winbond: Correct the nr_blocks used for W25Q32DW

This patch corrected the nr_blocks used for W25Q32DW SPI flash.

nr_blcoks are incorrectly assigned on below patch
"sf: winbond: add W25Q32DW"
(sha1: 772ba15474f73adc942e817cc072b6e9750836cc)

Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

drivers/mtd/spi/winbond.c

@@ -89,7 +89,7 @@ static const struct winbond_spi_flash_params winbond_spi_flash_table[] = {
 	},
 	{
 		.id			= 0x6016,
-		.nr_blocks		= 512,
+		.nr_blocks		= 64,
 		.name			= "W25Q32DW",
 	},
 	{