Fixes for reading MAC from EEPROM. Removed wrongly added code for
netx_eth.c, inserted it to dm9k.c. Also modified board specific
code to enable i2c EEPROM support.

	modified:   arch/arm/boards/friendlyarm-mini2440/mini2440.c
	modified:   drivers/net/dm9k.c
	modified:   drivers/net/netx_eth.c