mtd: spi-nor-core: Rename configuration macro for S28 support

Change configuration macro name to support all other devices in SEMPER S28
family.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/configs/j721s2_evm_r5_defconfig b/configs/j721s2_evm_r5_defconfig
index f74333f..2de5d87 100644
--- a/configs/j721s2_evm_r5_defconfig
+++ b/configs/j721s2_evm_r5_defconfig
@@ -128,7 +128,7 @@
 CONFIG_SPI_FLASH_SOFT_RESET=y
 CONFIG_SPI_FLASH_SOFT_RESET_ON_BOOT=y
 CONFIG_SPI_FLASH_SPANSION=y
-CONFIG_SPI_FLASH_S28HS512T=y
+CONFIG_SPI_FLASH_S28HX_T=y
 CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_MT35XU=y
 CONFIG_PINCTRL=y