Add the HW version read directly from EEPROM.
EEPROM chip data structure is now in a .h file common to draco
and capricorn.
Therefore move out the definitions in draco board to siemens
common place.
From: Alessandro Zini <alessandro.zini@siemens.com>
Signed-off-by: Alessandro Zini <alessandro.zini@siemens.com>
Signed-off-by: Heiko Schocher <hs@denx.de>
