jaygullapalli

Bug fix: XUsbPsu_SendEpCmd called with Physical EP number instead of USB EP number

1

1. Fixing functions XUsbPsu_StopTransfer, XUsbPsu_ClearStalls, XUsbPsu_EpSetStall and XUsbPsu_EpClearStall to call XUsbPsu_SendEpCmd with USB EP Number instead of Physical EP Number. 2. Using Macro PhysicalEp in XUsbPsu_InitializeEps to improve readability.

### Description of the changes: - Changes for SDK release v1.4.2 ### Before submitting a Pull Request: - [x] I reviewed [CONTRIBUTING.md](https://github.com/Microsoft/Azure-Kinect-Sensor-SDK/blob/develop/CONTRIBUTING.md) - [x] I [built my changes](https://github.com/Microsoft/Azure-Kinect-Sensor-SDK/blob/develop/docs/building.md) locally -...