Revert "usb: musb: allow software control of OTG mode for AM335x"

This reverts commit 5b92f8d910ad9d068dfb8c61afd006cbe94b3507.
pia-am335x-e2: fix UART4 pinmux

- fix typo in signal names

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
pia-am335x-e2: fix led naming

- Unused LED ports of PCA9634 must not have the same name

Signed-off-by: Björn Krombholz <b.krombholz@pironex.de>
Merge branch 'pia335x-dev' into pia335x-e2-dev

* pia335x-dev: (46 commits)
  arm: pia-am335x: update EEPROM format doc and comments
  arm: pia-am335x-ebtft: add support for resistive touch
  arm: pia-am335x-ebtft: add LCD support
  arm: pia-am335x: add generic control for LCD gpios
  arm: pia-am335x: move gpio init further up
  video: da8xx-fb: add support for DLC0430LZG
  video: da8xx-fb: fix Newhaven Display naming
  arm: pia-am335x-ebtft: add basic support for Buzzer
  arm: pia-am335x-ebtft: add gpio names to external inputs
  arm: pia-am335x-ebtft: add spidev support for RFID
  arm: pia-am335x: restructure SPI init
  arm: pia-am335x-ebtft: add support for on board LED
  arm: pia-am335x-ebtft: add support for external inputs
  arm: pia-am335x-ebtft: don't export MMC CD
  arm: pia-am335x-ebtft: add support for RGB LED buttons
  arm: pia-am335x: restructure i2c init
  arm: pia-am335x-ebtft: add support for CD on SD card
  arm: pia-am335x: add USB support for EB_TFT
  arm: pia-am335x-ebtft: add support for CAN terminal resistor
  arm: pia-am335x: restructure CAN config, add EB_TFT support
  ...