mtd: spi-nor-ids: Add support for S28HS256T

Infineon S28HS256T is 256Mb Octal SPI device which has same
functionalities with 512Mb and 1Gb parts.

Link:https://www.infineon.com/dgdl/Infineon-S28HS256T_S28HL256T_256Mb_SEMPER_Flash_Octal_interface_1_8V_3-DataSheet-v02_00-EN.pdf?fileId=8ac78c8c8fc2dd9c018fc66787aa0657

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
diff --git a/drivers/mtd/spi/spi-nor-ids.c b/drivers/mtd/spi/spi-nor-ids.c
index 66e534b..dfe92c3 100644
--- a/drivers/mtd/spi/spi-nor-ids.c
+++ b/drivers/mtd/spi/spi-nor-ids.c
@@ -385,6 +385,7 @@
 #ifdef CONFIG_SPI_FLASH_S28HX_T
 	{ INFO("s28hl512t",  0x345a1a,      0, 256 * 1024, 256, SPI_NOR_OCTAL_DTR_READ) },
 	{ INFO("s28hl01gt",  0x345a1b,      0, 256 * 1024, 512, SPI_NOR_OCTAL_DTR_READ) },
+	{ INFO("s28hs256t",  0x345b19,      0, 256 * 1024, 128, SPI_NOR_OCTAL_DTR_READ) },
 	{ INFO("s28hs512t",  0x345b1a,      0, 256 * 1024, 256, SPI_NOR_OCTAL_DTR_READ) },
 	{ INFO("s28hs01gt",  0x345b1b,      0, 256 * 1024, 512, SPI_NOR_OCTAL_DTR_READ) },
 	{ INFO("s28hs02gt",  0x345b1c,      0, 256 * 1024, 1024, SPI_NOR_OCTAL_DTR_READ | NO_CHIP_ERASE) },