driver/spi/eon.c: Add EN25F80

TESTED on ASUS P5QPL-AM (writes MRC_CACHE)

Change-Id: I5aebe4703a033a0f0226f405d8933b12f3af136f
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/30249
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/drivers/spi/eon.c

@@ -30,6 +30,7 @@
 #define EON_ID_EN25Q128		0x3018
 #define EON_ID_EN25Q64		0x3017
 #define EON_ID_EN25S64		0x3817
+#define EON_ID_EN25F80		0x3114
 
 struct eon_spi_flash_params {
 	u16 id;
@@ -65,6 +66,14 @@ static const struct eon_spi_flash_params eon_spi_flash_table[] = {
 		.nr_sectors = 2048,
 		.name = "EN25S64",
 	},
+	{
+		.id = EON_ID_EN25F80,
+		.page_size = 256,
+		.pages_per_sector = 16,
+		.sectors_per_block = 16,
+		.nr_sectors = 256,
+		.name = "EN25F80",
+	},
 };
 
 static int eon_write(const struct spi_flash *flash,