Integrated FT5216 touchscreen driver to WaRP

Configured WaRP pads for and integrated the Boundary
Devices FT5x06 touchscreen driver. The touchscreen on
the WaRP is using the FT5216 controller,so additional
modification may be necessary to optimize for any
differences.

Signed-off-by: Jacob Postman <jacob@revolution-robotics.com>
Additional changes to add Bt support for WaRP Murata chip

Changes from Scott Kerr of Murata to workaround Bluetooth UART flow
control problem.

Signed-off-by: Diego Rondini <diego.rondini@kynetics.it>
Merge branch 'warp/jb4.3_1.1.0-ga' into warp/murata-bt/jb4.3_1.1.0-ga