board: phytec: imx93: Add eeprom-based hardware introspection

The phyCORE-i.MX 93 is available in various variants. Relevant variant
options for the spl/u-boot are:
- with or without HS400 support for the eMMC
- with 1GB ram chip, or 2GB ram chip

The phyCORE's eeprom contains all information about the existing variant
options. Add evaluation of the eeprom data to the spl/u-boot to
enable/disable HS400 and to select the appropriate ram configuration at
startup.

Signed-off-by: Christoph Stoidner <c.stoidner@phytec.de>
Reviewed-by: Wadim Egorov <w.egorov@phytec.de>
Reviewed-by: Yannic Moog <y.moog@phytec.de>
Tested-by: Primoz Fiser <primoz.fiser@norik.com>
diff --git a/board/phytec/common/Kconfig b/board/phytec/common/Kconfig
index f394ace..bc55117 100644
--- a/board/phytec/common/Kconfig
+++ b/board/phytec/common/Kconfig
@@ -19,6 +19,14 @@
 	  Support of I2C EEPROM based SoM detection. Supported
 	  for PHYTEC i.MX8MM/i.MX8MP boards
 
+config PHYTEC_IMX93_SOM_DETECTION
+	bool "Support SoM detection for i.MX93 PHYTEC platforms"
+	depends on ARCH_IMX9 && PHYTEC_SOM_DETECTION
+	default y
+	help
+	  Support of I2C EEPROM based SoM detection. Supported
+	  for PHYTEC i.MX93 based boards
+
 config PHYTEC_AM62_SOM_DETECTION
 	bool "Support SoM detection for AM62x PHYTEC platforms"
 	depends on (TARGET_PHYCORE_AM62X_A53 || TARGET_PHYCORE_AM62X_R5) && \