usb-phytec

Merge pull request #23 in PROCESSOR-SDK/usb from PRSDK-2657 to master

* commit 'b2dee7bf0f4fbe59b0a37713e885bcfc8da7446e':
  PRSDK-2657: Correction for USB_NUM_INSTANCE comments
  PRSDK-2657: Fix for K2G build issue
  PRSDK-2657: OMAPL138 interrupt configuration update
  PRSDK:2657 Removed C++ comment style
  PRSDK-2657 Addressing Review comments
  PRSDK-2657 Moved SoC specific code to soc folder
  PRSDK-2657 USB Driver Support for OMAPL138
  PRSDK-2657: USB Driver Support for OMAPL137