eeprom: ee1004: Improve error handling in ee1004_read

Simplify the error handling and make it better readable. No functional
change intended.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/13ad7b39-e722-d70a-e25b-03d1fb1734a7@gmail.com


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