mtd: spi-nor: atmel: add at25sf321 entry

Add entry for the at25sf321 32Mbit SPI flash.

This flash is populated on a custom board and was tested at
10MHz frequency using the "ti,da830-spi" SPI controller.

Link: https://www.renesas.com/en/document/dst/at25sf321-datasheet?r=1608801
Reviewed-by: Michael Walle <[email protected]>
Signed-off-by: Marcus Folkesson <[email protected]>
Reviewed-by: Pratyush Yadav <[email protected]>
Signed-off-by: Pratyush Yadav <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: marcusfolkesson

drivers/mtd/spi-nor/atmel.c

@@ -238,6 +238,10 @@ static const struct flash_info atmel_nor_parts[] = {
 		.flags = SPI_NOR_HAS_LOCK,
 		.no_sfdp_flags = SECT_4K,
 		.fixups = &at25fs_nor_fixups
+	}, {
+		.id = SNOR_ID(0x1f, 0x87, 0x01),
+		.size = SZ_4M,
+		.no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 	},
 };