usb: usb_bam: Add support to USB-IPA BAM2BAM connection

Add support to the USB BAM driver in USB-IPA connections.
IPA (IP Accelerator) is a new HW block which implements data packet
protocol processing functions.

Change-Id: I3e782951ba7c9307c4e67f6ad44213ec7debf8ed
Signed-off-by: Ofir Cohen <ofirc@codeaurora.org>