drivers/spi: Add winbond chip details

Added winbond W25Q512NW chip details.

Change-Id: I5545c9431891f7fa74c1527591fb7c3cd3aba687
Signed-off-by: Shaik Sajida Bhanu <sbhanu@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55375
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shelley Chen <shchen@google.com>

src/drivers/spi/winbond.c

@@ -190,6 +190,14 @@ static const struct spi_flash_part_id flash_table[] = {
 		.protection_granularity_shift	= 18,
 		.bp_bits			= 3,
 	},
+	{
+		/* W25Q512NW-IM */
+		.id[0]				= 0x8020,
+		.nr_sectors_shift		= 11,
+		.fast_read_dual_output_support	= 1,
+		.protection_granularity_shift	= 16,
+		.bp_bits			= 4,
+	},
 	{
 		/* W25Q256_V */
 		.id[0]				= 0x4019,