Pruned old RAMTRON interface
Enabled EEPROM as MTD backend device
Disabling EEPROM and old RAMTRON driver
Deleting old eeprom driver directory
Patching up MPU6K pin disable defines
Introducing mtd status command, fixing compile errors for I2C setup
Merge pull request #593 from PX4/mtd_eeprom

EEPROM supported in MTD interface