arm: cm-t54: add support for eeprom layout comands

Add support for EEPROM and EEPROM layout commands for CM-T54.

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Tom Rini <trini@konsulko.com>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>

include/configs/cm_t54.h

@@ -81,6 +81,17 @@
 
 /* Enabled commands */
 
+/* EEPROM */
+#define CONFIG_CMD_EEPROM
+#define CONFIG_ENV_EEPROM_IS_ON_I2C
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN		1
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4
+#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS	5
+#define CONFIG_SYS_EEPROM_SIZE			256
+
+#define CONFIG_CMD_EEPROM_LAYOUT
+#define CONFIG_EEPROM_LAYOUT_HELP_STRING "v2, v3"
+
 /* USB Networking options */
 #define CONFIG_USB_HOST_ETHER
 #define CONFIG_USB_ETHER_SMSC95XX