misc: add qrc_core and qrc_uart

1, This driver is used as robotic controller.
When robotic controller connect main board with
uart bus, kernel need to provide a driver to load
it.
2, This driver provides functions:
(1) Read data from serial device port.
(2) Write data to serial device port.

Change-Id: Id53e8a898a11f1f0542a792ea2f8cf613628c301
Signed-off-by: jionzhao <jionzhao@codeaurora.org>