compulab: eeprom: allow reading mac address from multiple eeproms

Implement the option to select the eeprom i2c bus when reading mac
address.

Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Ilya Ledvich <ilya@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
diff --git a/board/compulab/common/eeprom.h b/board/compulab/common/eeprom.h
index 85d5bf0..50c6b02 100644
--- a/board/compulab/common/eeprom.h
+++ b/board/compulab/common/eeprom.h
@@ -11,10 +11,10 @@
 #define _EEPROM_
 
 #ifdef CONFIG_SYS_I2C
-int cl_eeprom_read_mac_addr(uchar *buf);
+int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus);
 u32 cl_eeprom_get_board_rev(void);
 #else
-static inline int cl_eeprom_read_mac_addr(uchar *buf)
+static inline int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus)
 {
 	return 1;
 }