mtp/ptp: Switch to FunctionFS userspace interface

Test: Tested manual MTP/PTP transfers on android-hikey-linaro-{4.4,4.9}
      and 4.14-rcX kernels with and without USB_CONFIGFS_F_{MTP,PTP}
      drivers enabled.

Change-Id: I50ac115e121f2bf2f2b4a25e522c25df1e4ef0d3
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
1 file changed