compulab: eeprom: add support for obtaining product name

Introduce cl_eeprom_get_product_name() for obtaining product name
from the eeprom.

Cc: Stefano Babic <sbabic@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
diff --git a/board/compulab/common/eeprom.h b/board/compulab/common/eeprom.h
index e74c379..c0b4739 100644
--- a/board/compulab/common/eeprom.h
+++ b/board/compulab/common/eeprom.h
@@ -9,10 +9,12 @@
 
 #ifndef _EEPROM_
 #define _EEPROM_
+#include <errno.h>
 
 #ifdef CONFIG_SYS_I2C
 int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus);
 u32 cl_eeprom_get_board_rev(uint eeprom_bus);
+int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus);
 #else
 static inline int cl_eeprom_read_mac_addr(uchar *buf, uint eeprom_bus)
 {
@@ -22,6 +24,10 @@
 {
 	return 0;
 }
+static inline int cl_eeprom_get_product_name(uchar *buf, uint eeprom_bus)
+{
+	return -ENOSYS;
+}
 #endif
 
 #endif