msm: ipa: Add get ep info ioctl iface only for auto use case

In legacy use case, get ep info will be handled by usb driver.
Modify code to support get ep_info only in case of auto use case.

Change-Id: I1a9800ca397315d0da5b03503f7297ce5bc230f3
Signed-off-by: Mohammed Javid <mjavid@codeaurora.org>