USB: mach: Move the mach headers to common location

As part of moving the headers from mach directory
to a common location compilation issues are arising.

Make the changes which are relevant for USB with
its own header files and also dependent header
files.

Change-Id: Ieef7d04ffdfda249f434e0676fec6da8d8b9cf2c
Signed-off-by: Sujeet Kumar <ksujeet@codeaurora.org>