eeprom: ee1004: Let device core handle attribute eeprom

Instead of creating/removing the attribute ourselves, just declare the
attribute and let the device core handle it. This allows to simplify
the code.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/8a6c77f2-f84a-311b-c2b9-21798f690e4d@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>