spi-nor-ids: Add support for Adesto AT25SL321

Add an entry for the Adesto AT25SL321 SPI NOR chip.

This SPI NOR chip is found in the Embedded Artist i.MX7ULP COM board.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index 0e66ba9..d3b8457 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -75,6 +75,7 @@
 	{ INFO("at45db161d",	0x1f2600, 0, 64 * 1024,  32, SECT_4K) },
 	{ INFO("at45db321d",	0x1f2700, 0, 64 * 1024,  64, SECT_4K) },
 	{ INFO("at45db641d",	0x1f2800, 0, 64 * 1024, 128, SECT_4K) },
+	{ INFO("at25sl321",	0x1f4216, 0, 64 * 1024,  64, SECT_4K) },
 	{ INFO("at26df081a", 	0x1f4501, 0, 64 * 1024,  16, SECT_4K) },
 #endif
 #ifdef CONFIG_SPI_FLASH_EON		/* EON */