km/common: fix bug in IVM mac address access

The MAC address stored in the inventory eeprom begins at offset 1.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Wolfgang Denk <wd@denx.de>
1 file changed