ARM: pia335x: EEPROM: disable 8 address bit flag

- the used EEPROM IC only has one address

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ARM: pia335x: move musb init to E2 specific board setup

- MMI doesn't utilize USB

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ARM: pia335x: don't mux general purpose interfaces for MMI which aren't used

- we need the MII1 interface on MII board, don't overwrite the pinmuxing
  with configuration for the E2 board!

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ARM: pia335x: comments cleanup

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
ARM: pia335x: rename LCDC structs

- we use a J043 display which seems identical to the Newhaven 4.3" one

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>