This host driver will be used to connect directly to the modem
interface of Qualcomm devices. This will provide a bridge to
the gadget serial driver to enable dial-up networking. Though it
resembles the existing qcserial driver, this is intended only for
inter-driver usage and does not expose any interface to userland.
Change-Id: I8534a2eb0c6b747ff593f7e2efdb56da9ea6dddc
Signed-off-by: Jack Pham <jackp@codeaurora.org>